A B C D E F G H I J K L M N O P R S T U V W X

A

abandonBlock(Block, String) - Method in class org.apache.hadoop.dfs.NameNode
The client needs to give up on the block.
abandonFileInProgress(String, String) - Method in class org.apache.hadoop.dfs.NameNode
 
ABSOLUTE - Static variable in class org.apache.hadoop.metrics.spi.MetricValue
 
AbstractMetricsContext - Class in org.apache.hadoop.metrics.spi
The main class of the Service Provider Interface.
AbstractMetricsContext() - Constructor for class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Creates a new instance of AbstractMetricsContext
accept(Path) - Method in interface org.apache.hadoop.fs.PathFilter
Tests whether or not the specified abstract pathname should be included in a pathname list.
accept(Writable) - Method in interface org.apache.hadoop.mapred.SequenceFileInputFilter.Filter
filter function Decide if a record should be filtered or not
accept(Writable) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.MD5Filter
Filtering method If MD5(key) % frequency==0, return true; otherwise return false
accept(Writable) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.PercentFilter
Filtering method If record# % frequency==0, return true; otherwise return false
accept(Writable) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.RegexFilter
Filtering method If key matches the regex, return true; otherwise return false
add_escapes(String) - Method in exception org.apache.hadoop.record.compiler.generated.ParseException
Used to convert raw characters to their escaped version when these raw version cannot be used as part of an ASCII string literal.
addBlock(String, String) - Method in class org.apache.hadoop.dfs.NameNode
 
addClass(String, Class, String) - Method in class org.apache.hadoop.util.ProgramDriver
This is the method that adds the classed to the repository
addDefaultResource(String) - Method in class org.apache.hadoop.conf.Configuration
Add a default resource.
addDefaultResource(URL) - Method in class org.apache.hadoop.conf.Configuration
Add a default resource.
addDefaultResource(Path) - Method in class org.apache.hadoop.conf.Configuration
Add a default resource.
addEscapes(String) - Static method in error org.apache.hadoop.record.compiler.generated.TokenMgrError
Replaces unprintable characters by their espaced (or unicode escaped) equivalents in the given string
addFinalResource(String) - Method in class org.apache.hadoop.conf.Configuration
Add a final resource.
addFinalResource(URL) - Method in class org.apache.hadoop.conf.Configuration
Add a final resource.
addFinalResource(Path) - Method in class org.apache.hadoop.conf.Configuration
Add a final resource.
addInputDir(File) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Call JobConf.addInputPath(Path) instead.
addInputPath(Path) - Method in class org.apache.hadoop.mapred.JobConf
 
addJob(Job) - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
Add a new job.
addMissing(String, long) - Method in class org.apache.hadoop.dfs.DFSck.Result
Add a missing block name, plus its size.
addName(Class, String) - Static method in class org.apache.hadoop.io.WritableName
Add an alternate name for a class.
addPhase(String) - Method in class org.apache.hadoop.util.Progress
Adds a named node to the tree.
addPhase() - Method in class org.apache.hadoop.util.Progress
Adds a node to the tree.
addServlet(String, String, String, String) - Method in class org.apache.hadoop.mapred.StatusHttpServer
Add a servlet in the server
addTableFooter(JspWriter) - Method in class org.apache.hadoop.dfs.JspHelper
 
addTableHeader(JspWriter) - Method in class org.apache.hadoop.dfs.JspHelper
 
addTableRow(JspWriter, String[]) - Method in class org.apache.hadoop.dfs.JspHelper
 
adjustBeginLineColumn(int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
Method to adjust line and column numbers for the start of a token.
allFinished() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
AlreadyBeingCreatedException - Exception in org.apache.hadoop.dfs
The exception that happens when you ask to create a file that already is being created, but is not closed yet.
AlreadyBeingCreatedException(String) - Constructor for exception org.apache.hadoop.dfs.AlreadyBeingCreatedException
 
append(Writable) - Method in class org.apache.hadoop.io.ArrayFile.Writer
Append a value to the file.
append(WritableComparable, Writable) - Method in class org.apache.hadoop.io.MapFile.Writer
Append a key/value pair to the map.
append(Writable, Writable) - Method in class org.apache.hadoop.io.SequenceFile.Writer
Append a key/value pair.
append(byte[], int, int, int) - Method in class org.apache.hadoop.io.SequenceFile.Writer
Deprecated. Call SequenceFile.Writer.appendRaw(byte[], int, int, SequenceFile.ValueBytes).
append(WritableComparable) - Method in class org.apache.hadoop.io.SetFile.Writer
Append a key to a set.
appendRaw(byte[], int, int, SequenceFile.ValueBytes) - Method in class org.apache.hadoop.io.SequenceFile.Writer
 
areValidInputDirectories(FileSystem, Path[]) - Method in interface org.apache.hadoop.mapred.InputFormat
Are the input directories valid? This method is used to test the input directories when a job is submitted so that the framework can fail early with a useful error message when the input directory does not exist.
areValidInputDirectories(FileSystem, Path[]) - Method in class org.apache.hadoop.mapred.InputFormatBase
 
ArrayFile - Class in org.apache.hadoop.io
A dense file-based mapping from integers to values.
ArrayFile() - Constructor for class org.apache.hadoop.io.ArrayFile
 
ArrayFile.Reader - Class in org.apache.hadoop.io
Provide access to an existing array file.
ArrayFile.Reader(FileSystem, String, Configuration) - Constructor for class org.apache.hadoop.io.ArrayFile.Reader
Construct an array reader for the named file.
ArrayFile.Writer - Class in org.apache.hadoop.io
Write a new array file.
ArrayFile.Writer(FileSystem, String, Class) - Constructor for class org.apache.hadoop.io.ArrayFile.Writer
Create the named file for values of the named class.
arrayToString(String[]) - Static method in class org.apache.hadoop.util.StringUtils
Given an array of strings, return a comma-separated list of its elements.
ArrayWritable - Class in org.apache.hadoop.io
A Writable for arrays containing instances of a class.
ArrayWritable() - Constructor for class org.apache.hadoop.io.ArrayWritable
 
ArrayWritable(Class) - Constructor for class org.apache.hadoop.io.ArrayWritable
 
ArrayWritable(Class, Writable[]) - Constructor for class org.apache.hadoop.io.ArrayWritable
 
ArrayWritable(String[]) - Constructor for class org.apache.hadoop.io.ArrayWritable
 
available() - Method in class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionInputStream
 

B

backup(int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
beginColumn - Variable in class org.apache.hadoop.record.compiler.generated.Token
beginLine and beginColumn describe the position of the first character of this token; endLine and endColumn describe the position of the last character of this token.
beginLine - Variable in class org.apache.hadoop.record.compiler.generated.Token
beginLine and beginColumn describe the position of the first character of this token; endLine and endColumn describe the position of the last character of this token.
BeginToken() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
bestNode(LocatedBlock) - Method in class org.apache.hadoop.dfs.JspHelper
 
BinaryInputArchive - Class in org.apache.hadoop.record
 
BinaryInputArchive(DataInput) - Constructor for class org.apache.hadoop.record.BinaryInputArchive
Creates a new instance of BinaryInputArchive
BinaryOutputArchive - Class in org.apache.hadoop.record
 
BinaryOutputArchive(DataOutput) - Constructor for class org.apache.hadoop.record.BinaryOutputArchive
Creates a new instance of BinaryOutputArchive
blockReceived(DatanodeRegistration, Block[]) - Method in class org.apache.hadoop.dfs.NameNode
 
blockReport(DatanodeRegistration, Block[]) - Method in class org.apache.hadoop.dfs.NameNode
 
BLOCKREPORT_INTERVAL - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
BOOLEAN_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
BooleanWritable - Class in org.apache.hadoop.io
A WritableComparable for booleans.
BooleanWritable() - Constructor for class org.apache.hadoop.io.BooleanWritable
 
BooleanWritable(boolean) - Constructor for class org.apache.hadoop.io.BooleanWritable
 
BooleanWritable.Comparator - Class in org.apache.hadoop.io
A Comparator optimized for BooleanWritable.
BooleanWritable.Comparator() - Constructor for class org.apache.hadoop.io.BooleanWritable.Comparator
 
bufcolumn - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
bufEquals(ByteArrayOutputStream, ByteArrayOutputStream) - Static method in class org.apache.hadoop.record.Utils
equals function that actually compares two buffers.
buffer - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
BUFFER_SIZE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
BUFFER_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
bufline - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
bufpos - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
BYTE_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
bytesToCodePoint(ByteBuffer) - Static method in class org.apache.hadoop.io.Text
Returns the next code point at the current position in the buffer.
BytesWritable - Class in org.apache.hadoop.io
A byte sequence that is usable as a key or value.
BytesWritable() - Constructor for class org.apache.hadoop.io.BytesWritable
Create a zero-size sequence.
BytesWritable(byte[]) - Constructor for class org.apache.hadoop.io.BytesWritable
Create a BytesWritable using the byte array as the initial value.
BytesWritable.Comparator - Class in org.apache.hadoop.io
A Comparator optimized for BytesWritable.
BytesWritable.Comparator() - Constructor for class org.apache.hadoop.io.BytesWritable.Comparator
 

C

call(Writable, InetSocketAddress) - Method in class org.apache.hadoop.ipc.Client
Make a call, passing param, to the IPC server running at address, returning the value.
call(Writable[], InetSocketAddress[]) - Method in class org.apache.hadoop.ipc.Client
Makes a set of calls in parallel.
call(Method, Object[][], InetSocketAddress[], Configuration) - Static method in class org.apache.hadoop.ipc.RPC
Expert: Make multiple, parallel calls to a set of servers.
call(Writable) - Method in class org.apache.hadoop.ipc.RPC.Server
 
call(Writable) - Method in class org.apache.hadoop.ipc.Server
Called for each call.
capacity - Variable in class org.apache.hadoop.dfs.DatanodeInfo
 
charAt(int) - Method in class org.apache.hadoop.io.Text
Returns the Unicode Scalar Value (32-bit integer value) for the character at position.
checkDir(File) - Static method in class org.apache.hadoop.util.DiskChecker
 
checkOutputSpecs(FileSystem, JobConf) - Method in interface org.apache.hadoop.mapred.OutputFormat
Check whether the output specification for a job is appropriate.
checkOutputSpecs(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.OutputFormatBase
 
checkState() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Check and update the state of this job.
CHECKSUM_VERSION - Static variable in class org.apache.hadoop.fs.FSDataOutputStream
 
ChecksumException - Exception in org.apache.hadoop.fs
Thrown for checksum errors.
ChecksumException(String) - Constructor for exception org.apache.hadoop.fs.ChecksumException
 
CHUNKED_ENCODING - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
cleanup(Configuration, JobConf, String, String) - Method in class org.apache.hadoop.util.CopyFiles.CopyFilesMapper
Interface to cleanup *distcp* specific resources
cleanup(Configuration, JobConf, String, String) - Method in class org.apache.hadoop.util.CopyFiles.DFSCopyFilesMapper
 
cleanup(Configuration, JobConf, String, String) - Method in class org.apache.hadoop.util.CopyFiles.HTTPCopyFilesMapper
 
Client - Class in org.apache.hadoop.ipc
A client for an IPC service.
Client(Class, Configuration) - Constructor for class org.apache.hadoop.ipc.Client
Construct an IPC client whose values are of the given Writable class.
clone(Writable, JobConf) - Static method in class org.apache.hadoop.io.WritableUtils
Make a copy of a writable object using serialization to a buffer.
close() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
close() - Method in class org.apache.hadoop.examples.PiBenchmark.PiMapper
 
close() - Method in class org.apache.hadoop.examples.PiBenchmark.PiReducer
 
close() - Method in class org.apache.hadoop.fs.FileSystem
No more filesystem operations are needed.
close() - Method in class org.apache.hadoop.fs.LocalFileSystem
 
close() - Method in interface org.apache.hadoop.io.Closeable
Called after the last call to any other method on this object to free and/or flush resources.
close() - Method in class org.apache.hadoop.io.compress.CompressionInputStream
 
close() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
 
close() - Method in class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionInputStream
 
close() - Method in class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionOutputStream
 
close() - Method in class org.apache.hadoop.io.MapFile.Reader
Close the map.
close() - Method in class org.apache.hadoop.io.MapFile.Writer
Close the map.
close() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Close the file.
close() - Method in class org.apache.hadoop.io.SequenceFile.Writer
Close the file.
close() - Method in class org.apache.hadoop.mapred.JobClient
 
close() - Method in class org.apache.hadoop.mapred.MapReduceBase
Default implementation that does nothing.
close() - Method in interface org.apache.hadoop.mapred.RecordReader
Close this to future operations.
close(Reporter) - Method in interface org.apache.hadoop.mapred.RecordWriter
Close this to future operations.
close() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
close() - Method in class org.apache.hadoop.mapred.TaskTracker
Close down the TaskTracker and all its components.
close() - Method in class org.apache.hadoop.mapred.TextInputFormat.LineRecordReader
 
close(Reporter) - Method in class org.apache.hadoop.mapred.TextOutputFormat.LineRecordWriter
 
close() - Method in interface org.apache.hadoop.metrics.MetricsContext
Stops monitoring and also frees any buffered data, returning this object to its initial state.
close() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Stops monitoring and frees buffered data, returning this object to its initial state.
close() - Method in class org.apache.hadoop.util.CopyFiles.DFSCopyFilesMapper
 
Closeable - Interface in org.apache.hadoop.io
That which can be closed.
ClusterStatus - Class in org.apache.hadoop.mapred
Summarizes the size and current state of the cluster.
collect(WritableComparable, Writable) - Method in interface org.apache.hadoop.mapred.OutputCollector
Adds a key/value pair to the output.
column - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
COMMA_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.BooleanWritable.Comparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.BytesWritable.Comparator
Compare the buffers in serialized form.
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.FloatWritable.Comparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.IntWritable.Comparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.LongWritable.Comparator
 
compare(WritableComparable, WritableComparable) - Method in class org.apache.hadoop.io.LongWritable.DecreasingComparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.LongWritable.DecreasingComparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.MD5Hash.Comparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.Text.Comparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.UTF8.Comparator
Deprecated.  
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.io.WritableComparator
Optimization hook.
compare(WritableComparable, WritableComparable) - Method in class org.apache.hadoop.io.WritableComparator
Compare two WritableComparables.
compare(Object, Object) - Method in class org.apache.hadoop.io.WritableComparator
 
compare(byte[], int, int, byte[], int, int) - Method in class org.apache.hadoop.tools.Logalyzer.LogComparator
 
compareBytes(byte[], int, int, byte[], int, int) - Static method in class org.apache.hadoop.io.WritableComparator
Lexicographic order of binary data.
compareTo(Object) - Method in class org.apache.hadoop.dfs.DatanodeID
Comparable.
compareTo(Object) - Method in class org.apache.hadoop.fs.Path
 
compareTo(Object) - Method in class org.apache.hadoop.io.BooleanWritable
 
compareTo(Object) - Method in class org.apache.hadoop.io.BytesWritable
Define the sort order of the BytesWritable.
compareTo(Object) - Method in class org.apache.hadoop.io.FloatWritable
Compares two FloatWritables.
compareTo(Object) - Method in class org.apache.hadoop.io.IntWritable
Compares two IntWritables.
compareTo(Object) - Method in class org.apache.hadoop.io.LongWritable
Compares two LongWritables.
compareTo(Object) - Method in class org.apache.hadoop.io.MD5Hash
Compares this object with the specified object for order.
compareTo(Object) - Method in class org.apache.hadoop.io.Text
Compare two Texts bytewise using standard UTF8 ordering.
compareTo(Object) - Method in class org.apache.hadoop.io.UTF8
Deprecated. Compare two UTF8s.
complete(String, String) - Method in class org.apache.hadoop.dfs.NameNode
 
complete() - Method in class org.apache.hadoop.util.Progress
Completes this node, moving the parent node to its next child.
COMPLETE_SUCCESS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
completedJobs() - Method in class org.apache.hadoop.mapred.JobTracker
 
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Move completed local data to DFS destination
completeLocalOutput(File, File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.completeLocalOutput(Path, Path) instead.
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
Called when we're all done writing to the target.
completeLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
CompressedWritable - Class in org.apache.hadoop.io
A base-class for Writables which store themselves compressed and lazily inflate on field access.
CompressedWritable() - Constructor for class org.apache.hadoop.io.CompressedWritable
 
CompressionCodec - Interface in org.apache.hadoop.io.compress
This class encapsulates a streaming compression/decompression pair.
CompressionCodecFactory - Class in org.apache.hadoop.io.compress
A factory that will find the correct codec for a given filename.
CompressionCodecFactory(Configuration) - Constructor for class org.apache.hadoop.io.compress.CompressionCodecFactory
Find the codecs specified in the config value io.compression.codecs and register them.
CompressionInputStream - Class in org.apache.hadoop.io.compress
A compression input stream.
CompressionInputStream(InputStream) - Constructor for class org.apache.hadoop.io.compress.CompressionInputStream
Create a compression input stream that reads the decompressed bytes from the given stream.
CompressionOutputStream - Class in org.apache.hadoop.io.compress
A compression output stream.
CompressionOutputStream(OutputStream) - Constructor for class org.apache.hadoop.io.compress.CompressionOutputStream
Create a compression output stream that writes the compressed bytes to the given stream.
conf - Variable in class org.apache.hadoop.util.ToolBase
 
Configurable - Interface in org.apache.hadoop.conf
Something that may be configured with a Configuration.
Configuration - Class in org.apache.hadoop.conf
Provides access to configuration parameters.
Configuration() - Constructor for class org.apache.hadoop.conf.Configuration
A new configuration.
Configuration(Configuration) - Constructor for class org.apache.hadoop.conf.Configuration
A new configuration with the same settings cloned from another.
configure(JobConf) - Method in class org.apache.hadoop.examples.NNBench.Map
Save the values out of the configuaration that we need to write the data.
configure(JobConf) - Method in class org.apache.hadoop.examples.PiBenchmark.PiMapper
Mapper configuration.
configure(JobConf) - Method in class org.apache.hadoop.examples.PiBenchmark.PiReducer
Reducer configuration.
configure(JobConf) - Method in class org.apache.hadoop.examples.RandomWriter.Map
Save the values out of the configuaration that we need to write the data.
configure(JobConf) - Method in interface org.apache.hadoop.mapred.JobConfigurable
Initializes a new instance from a JobConf.
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.HashPartitioner
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.lib.RegexMapper
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.MapReduceBase
Default implementation that does nothing.
configure(JobConf) - Method in class org.apache.hadoop.mapred.MapRunner
 
configure(JobConf) - Method in class org.apache.hadoop.mapred.TextInputFormat
 
configure(JobConf) - Method in class org.apache.hadoop.tools.Logalyzer.LogRegexMapper
 
configure(JobConf) - Method in class org.apache.hadoop.util.CopyFiles.DFSCopyFilesMapper
Mapper configuration.
configure(JobConf) - Method in class org.apache.hadoop.util.CopyFiles.HTTPCopyFilesMapper
 
Configured - Class in org.apache.hadoop.conf
Base class for things that may be configured with a Configuration.
Configured(Configuration) - Constructor for class org.apache.hadoop.conf.Configured
Construct a Configured.
ContextFactory - Class in org.apache.hadoop.metrics
Factory class for creating MetricsContext objects.
ContextFactory() - Constructor for class org.apache.hadoop.metrics.ContextFactory
Creates a new instance of ContextFactory
copy(String, String, Configuration) - Method in class org.apache.hadoop.dfs.DFSShell
Copy an DFS file
copy(FileSystem, Path, FileSystem, Path, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
Copy files between FileSystems.
copy(File, FileSystem, Path, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
Copy local files to a FileSystem.
copy(FileSystem, Path, File, boolean, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
Copy FileSystem files to local files.
copy(Configuration, String, String, boolean, boolean) - Static method in class org.apache.hadoop.util.CopyFiles
Driver to copy srcPath to destPath depending on required protocol.
CopyFiles - Class in org.apache.hadoop.util
A Map-reduce program to recursively copy directories between diffferent file-systems.
CopyFiles() - Constructor for class org.apache.hadoop.util.CopyFiles
 
CopyFiles.CopyFilesMapper - Class in org.apache.hadoop.util
Base-class for all mappers for distcp
CopyFiles.CopyFilesMapper() - Constructor for class org.apache.hadoop.util.CopyFiles.CopyFilesMapper
 
CopyFiles.CopyFilesReducer - Class in org.apache.hadoop.util
 
CopyFiles.CopyFilesReducer() - Constructor for class org.apache.hadoop.util.CopyFiles.CopyFilesReducer
 
CopyFiles.DFSCopyFilesMapper - Class in org.apache.hadoop.util
DFSCopyFilesMapper: The mapper for copying files from the DFS.
CopyFiles.DFSCopyFilesMapper() - Constructor for class org.apache.hadoop.util.CopyFiles.DFSCopyFilesMapper
 
CopyFiles.HTTPCopyFilesMapper - Class in org.apache.hadoop.util
 
CopyFiles.HTTPCopyFilesMapper() - Constructor for class org.apache.hadoop.util.CopyFiles.HTTPCopyFilesMapper
 
copyFromLocalFile(Path, Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
copyFromLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
The src file is on the local disk.
copyFromLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
copyMerge(FileSystem, Path, FileSystem, Path, boolean, Configuration, String) - Static method in class org.apache.hadoop.fs.FileUtil
Copy all files in a directory to one output file (merge).
copyToLocalFile(Path, Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
copyToLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
The src file is under FS, and the dst is on the local disk.
copyToLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
create(String, String, String, boolean, short, long) - Method in class org.apache.hadoop.dfs.NameNode
 
create(File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.create(Path) instead.
create(Path) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path.
create(Path, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
Create an FSDataOutputStream at the indicated Path with write-progress reporting.
create(Path, short) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path.
create(Path, short, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path with write-progress reporting.
create(Path, boolean, int) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path.
create(Path, boolean, int, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path with write-progress reporting.
create(Path, boolean, int, short, long) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path.
create(Path, boolean, int, short, long, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataOutputStream at the indicated Path with write-progress reporting.
createInputStream(InputStream) - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a stream decompressor that will read from the given input stream.
createInputStream(InputStream) - Method in class org.apache.hadoop.io.compress.DefaultCodec
Create a stream decompressor that will read from the given input stream.
createInputStream(InputStream) - Method in class org.apache.hadoop.io.compress.GzipCodec
Create a stream decompressor that will read from the given input stream.
createKey() - Method in interface org.apache.hadoop.mapred.RecordReader
Create an object of the appropriate type to be used as a key.
createKey() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
createKey() - Method in class org.apache.hadoop.mapred.TextInputFormat.LineRecordReader
 
createNewFile(File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.createNewFile(Path) instead.
createNewFile(Path) - Method in class org.apache.hadoop.fs.FileSystem
Creates the given Path as a brand-new zero-length file.
createOutputStream(OutputStream) - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Create a stream compressor that will write to the given output stream.
createOutputStream(OutputStream) - Method in class org.apache.hadoop.io.compress.DefaultCodec
Create a stream compressor that will write to the given output stream.
createOutputStream(OutputStream) - Method in class org.apache.hadoop.io.compress.GzipCodec
Create a stream compressor that will write to the given output stream.
createRaw(Path, boolean, short, long) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
createRaw(Path, boolean, short, long, Progressable) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
createRaw(Path, boolean, short, long) - Method in class org.apache.hadoop.fs.FileSystem
Opens an OutputStream at the indicated Path.
createRaw(Path, boolean, short, long, Progressable) - Method in class org.apache.hadoop.fs.FileSystem
Opens an OutputStream at the indicated Path with write-progress reporting.
createRaw(Path, boolean, short, long) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
createRaw(Path, boolean, short, long, Progressable) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
createRecord(String, String, String, String) - Static method in class org.apache.hadoop.metrics.Metrics
Utility method to create and return a new tagged metrics record instance within the given contextName.
createRecord(String, String) - Static method in class org.apache.hadoop.metrics.Metrics
Utility method to create and return new metrics record instance within the given contextName.
createRecord(String) - Method in interface org.apache.hadoop.metrics.MetricsContext
Creates a new MetricsRecord instance with the given recordName.
createRecord(String) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Creates a new AbstractMetricsRecord instance with the given recordName.
createSocketAddr(String) - Static method in class org.apache.hadoop.dfs.DataNode
Util method to build socket addr from string
createValue() - Method in interface org.apache.hadoop.mapred.RecordReader
Create an object of the appropriate type to be used as the value.
createValue() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
createValue() - Method in class org.apache.hadoop.mapred.TextInputFormat.LineRecordReader
 
createValueBytes() - Method in class org.apache.hadoop.io.SequenceFile.Reader
 
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of SequenceFile Writer.
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType, Progressable) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of SequenceFile Writer.
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType, CompressionCodec) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of SequenceFile Writer.
createWriter(FileSystem, Configuration, Path, Class, Class, SequenceFile.CompressionType, CompressionCodec, Progressable) - Static method in class org.apache.hadoop.io.SequenceFile
Construct the preferred type of SequenceFile Writer.
CSTRING_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
CsvOutputArchive - Class in org.apache.hadoop.record
 
CsvOutputArchive(OutputStream) - Constructor for class org.apache.hadoop.record.CsvOutputArchive
Creates a new instance of CsvOutputArchive
curChar - Variable in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
currentToken - Variable in exception org.apache.hadoop.record.compiler.generated.ParseException
This is the last token that has been consumed successfully.

D

Daemon - Class in org.apache.hadoop.util
A thread that has called Thread.setDaemon(boolean) with true.
Daemon() - Constructor for class org.apache.hadoop.util.Daemon
Construct a daemon thread.
Daemon(Runnable) - Constructor for class org.apache.hadoop.util.Daemon
Construct a daemon thread.
DATA_FILE_NAME - Static variable in class org.apache.hadoop.io.MapFile
The name of the data file.
DataInputBuffer - Class in org.apache.hadoop.io
A reusable DataInput implementation that reads from an in-memory buffer.
DataInputBuffer() - Constructor for class org.apache.hadoop.io.DataInputBuffer
Constructs a new empty buffer.
DataNode - Class in org.apache.hadoop.dfs
DataNode is a class (and program) that stores a set of blocks for a DFS deployment.
DATANODE_STARTUP_PERIOD - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
DatanodeID - Class in org.apache.hadoop.dfs
DatanodeID is composed of the data node name (hostname:portNumber) and the data storage ID, which it currently represents.
DatanodeID() - Constructor for class org.apache.hadoop.dfs.DatanodeID
DatanodeID default constructor
DatanodeID(DatanodeID) - Constructor for class org.apache.hadoop.dfs.DatanodeID
DatanodeID copy constructor
DatanodeID(String, String, int) - Constructor for class org.apache.hadoop.dfs.DatanodeID
Create DatanodeID
DatanodeInfo - Class in org.apache.hadoop.dfs
DatanodeInfo represents the status of a DataNode.
DataNodeReport - Class in org.apache.hadoop.dfs
Deprecated. Use DatanodeInfo instead.
DataNodeReport() - Constructor for class org.apache.hadoop.dfs.DataNodeReport
Deprecated.  
DataOutputBuffer - Class in org.apache.hadoop.io
A reusable DataOutput implementation that writes to an in-memory buffer.
DataOutputBuffer() - Constructor for class org.apache.hadoop.io.DataOutputBuffer
Constructs a new empty buffer.
debugStream - Variable in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
decode(byte[]) - Static method in class org.apache.hadoop.io.Text
Converts the provided byte array to a String using the UTF-8 encoding.
decode(byte[], int, int) - Static method in class org.apache.hadoop.io.Text
 
decode(byte[], int, int, boolean) - Static method in class org.apache.hadoop.io.Text
Converts the provided byte array to a String using the UTF-8 encoding.
DEFAULT - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
DEFAULT_PERIOD - Static variable in interface org.apache.hadoop.metrics.MetricsContext
Default period in seconds at which data is sent to the metrics system.
DefaultCodec - Class in org.apache.hadoop.io.compress
 
DefaultCodec() - Constructor for class org.apache.hadoop.io.compress.DefaultCodec
 
DefaultCodec.DefaultCompressionInputStream - Class in org.apache.hadoop.io.compress
 
DefaultCodec.DefaultCompressionInputStream(InputStream) - Constructor for class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionInputStream
 
DefaultCodec.DefaultCompressionInputStream(InflaterInputStream) - Constructor for class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionInputStream
Allow subclasses to directly set the inflater stream
DefaultCodec.DefaultCompressionOutputStream - Class in org.apache.hadoop.io.compress
A bridge that wraps around a DeflaterOutputStream to make it a CompressionOutputStream.
DefaultCodec.DefaultCompressionOutputStream(OutputStream) - Constructor for class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionOutputStream
 
DefaultCodec.DefaultCompressionOutputStream(DeflaterOutputStream) - Constructor for class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionOutputStream
Allow children types to put a different type in here (namely gzip).
define(Class, WritableComparator) - Static method in class org.apache.hadoop.io.WritableComparator
Register an optimized comparator for a WritableComparable implementation.
delete(String) - Method in class org.apache.hadoop.dfs.DFSShell
Delete an DFS file
delete(String) - Method in class org.apache.hadoop.dfs.NameNode
 
delete(File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.delete(Path) instead.
delete(Path) - Method in class org.apache.hadoop.fs.FileSystem
Delete a file.
delete(FileSystem, String) - Static method in class org.apache.hadoop.io.MapFile
Deletes the named map file.
deleteLocalFiles() - Method in class org.apache.hadoop.mapred.JobConf
 
deleteLocalFiles(String) - Method in class org.apache.hadoop.mapred.JobConf
 
deleteRaw(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Get rid of Path f, whether a true file or dir.
deleteRaw(Path) - Method in class org.apache.hadoop.fs.FileSystem
Deletes Path
deleteRaw(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
DEPENDENT_FAILED - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
deserialize(InputArchive, String) - Method in interface org.apache.hadoop.record.Record
 
DF - Class in org.apache.hadoop.fs
Filesystem disk space usage statistics.
DF(String, Configuration) - Constructor for class org.apache.hadoop.fs.DF
Deprecated.  
DF(String, long) - Constructor for class org.apache.hadoop.fs.DF
Deprecated.  
DF(File, Configuration) - Constructor for class org.apache.hadoop.fs.DF
 
DF(File, long) - Constructor for class org.apache.hadoop.fs.DF
 
DF_INTERVAL_DEFAULT - Static variable in class org.apache.hadoop.fs.DF
 
DFS_CURRENT_VERSION - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
DFSck - Class in org.apache.hadoop.dfs
This class provides rudimentary checking of DFS volumes for errors and sub-optimal conditions.
DFSck(Configuration, int, boolean, boolean, boolean) - Constructor for class org.apache.hadoop.dfs.DFSck
Filesystem checker.
DFSck.Result - Class in org.apache.hadoop.dfs
Result of checking, plus overall DFS statistics.
DFSck.Result() - Constructor for class org.apache.hadoop.dfs.DFSck.Result
 
DFSNodesStatus(Vector, Vector) - Method in class org.apache.hadoop.dfs.JspHelper
 
DFSShell - Class in org.apache.hadoop.dfs
This class provides some DFS administrative access.
DFSShell() - Constructor for class org.apache.hadoop.dfs.DFSShell
 
digest(byte[]) - Static method in class org.apache.hadoop.io.MD5Hash
Construct a hash value for a byte array.
digest(byte[], int, int) - Static method in class org.apache.hadoop.io.MD5Hash
Construct a hash value for a byte array.
digest(String) - Static method in class org.apache.hadoop.io.MD5Hash
Construct a hash value for a String.
digest(UTF8) - Static method in class org.apache.hadoop.io.MD5Hash
Construct a hash value for a String.
disable_tracing() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
DiskChecker - Class in org.apache.hadoop.util
Class that provides utility functions for checking disk problem
DiskChecker() - Constructor for class org.apache.hadoop.util.DiskChecker
 
DiskChecker.DiskErrorException - Exception in org.apache.hadoop.util
 
DiskChecker.DiskErrorException(String) - Constructor for exception org.apache.hadoop.util.DiskChecker.DiskErrorException
 
DiskChecker.DiskOutOfSpaceException - Exception in org.apache.hadoop.util
 
DiskChecker.DiskOutOfSpaceException(String) - Constructor for exception org.apache.hadoop.util.DiskChecker.DiskOutOfSpaceException
 
displayByteArray(byte[]) - Static method in class org.apache.hadoop.io.WritableUtils
 
DistributedFileSystem - Class in org.apache.hadoop.dfs
Implementation of the abstract FileSystem for the DFS system.
DistributedFileSystem(InetSocketAddress, Configuration) - Constructor for class org.apache.hadoop.dfs.DistributedFileSystem
Construct a client for the filesystem at namenode.
DNS - Class in org.apache.hadoop.net
A class that provides direct and reverse lookup functionalities, allowing the querying of specific network interfaces or nameservers.
DNS() - Constructor for class org.apache.hadoop.net.DNS
 
doAnalyze(String, String, String, String, String) - Method in class org.apache.hadoop.tools.Logalyzer
doAnalyze:
doArchive(String, String) - Method in class org.apache.hadoop.tools.Logalyzer
doArchive: Workhorse function to archive log-files.
doGet(HttpServletRequest, HttpServletResponse) - Method in class org.apache.hadoop.dfs.StreamFile
 
doMain(Configuration, String[]) - Method in class org.apache.hadoop.util.ToolBase
Work as a main program: execute a command and handle exception if any
done(String) - Method in class org.apache.hadoop.mapred.TaskTracker
The task is done.
Done() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
done() - Method in interface org.apache.hadoop.record.Index
 
DOT_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
DOUBLE_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
doUpdates(MetricsContext) - Method in interface org.apache.hadoop.metrics.Updater
Timer-based call-back from the metric library.
driver(String[]) - Method in class org.apache.hadoop.util.ProgramDriver
This is a driver for the example programs.
du(String) - Method in class org.apache.hadoop.dfs.DFSShell
 

E

emitHeartbeat(TaskTrackerStatus, boolean) - Method in class org.apache.hadoop.mapred.JobTracker
Process incoming heartbeat messages from the task trackers.
emitRecord(String, String, OutputRecord) - Method in class org.apache.hadoop.metrics.file.FileContext
Emits a metrics record to a file.
emitRecord(String, String, OutputRecord) - Method in class org.apache.hadoop.metrics.ganglia.GangliaContext
 
emitRecord(String, String, OutputRecord) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Sends a record to the metrics system.
emitRecord(String, String, OutputRecord) - Method in class org.apache.hadoop.metrics.spi.NullContext
Do-nothing version of emitRecord
enable_tracing() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
encode(String) - Static method in class org.apache.hadoop.io.Text
Converts the provided String to bytes using the UTF-8 encoding.
encode(String, boolean) - Static method in class org.apache.hadoop.io.Text
Converts the provided String to bytes using the UTF-8 encoding.
endColumn - Variable in class org.apache.hadoop.record.compiler.generated.Token
beginLine and beginColumn describe the position of the first character of this token; endLine and endColumn describe the position of the last character of this token.
endLine - Variable in class org.apache.hadoop.record.compiler.generated.Token
beginLine and beginColumn describe the position of the first character of this token; endLine and endColumn describe the position of the last character of this token.
endMap(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
endMap(TreeMap, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
endMap(TreeMap, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
endMap(String) - Method in interface org.apache.hadoop.record.InputArchive
 
endMap(TreeMap, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
endRecord(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
endRecord(Record, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
endRecord(Record, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
endRecord(String) - Method in interface org.apache.hadoop.record.InputArchive
 
endRecord(Record, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
endVector(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
endVector(ArrayList, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
endVector(ArrayList, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
endVector(String) - Method in interface org.apache.hadoop.record.InputArchive
 
endVector(ArrayList, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
ensureInflated() - Method in class org.apache.hadoop.io.CompressedWritable
Must be called by all methods which access fields to ensure that the data has been uncompressed.
entries() - Method in class org.apache.hadoop.conf.Configuration
 
EOF - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
eol - Variable in exception org.apache.hadoop.record.compiler.generated.ParseException
The end of line string for this machine.
equals(Object) - Method in class org.apache.hadoop.dfs.DatanodeID
 
equals(Object) - Method in class org.apache.hadoop.fs.Path
 
equals(Object) - Method in class org.apache.hadoop.io.BooleanWritable
 
equals(Object) - Method in class org.apache.hadoop.io.BytesWritable
Are the two byte sequences equal?
equals(Object) - Method in class org.apache.hadoop.io.FloatWritable
Returns true iff o is a FloatWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.IntWritable
Returns true iff o is a IntWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.LongWritable
Returns true iff o is a LongWritable with the same value.
equals(Object) - Method in class org.apache.hadoop.io.MD5Hash
Returns true iff o is an MD5Hash whose digest contains the same values.
equals(Object) - Method in class org.apache.hadoop.io.Text
Returns true iff o is a Text with the same contents.
equals(Object) - Method in class org.apache.hadoop.io.UTF8
Deprecated. Returns true iff o is a UTF8 with the same contents.
errorReport(DatanodeRegistration, int, String) - Method in class org.apache.hadoop.dfs.NameNode
 
ExampleDriver - Class in org.apache.hadoop.examples
 
ExampleDriver() - Constructor for class org.apache.hadoop.examples.ExampleDriver
 
exists(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
exists(String) - Method in class org.apache.hadoop.dfs.NameNode
 
exists(File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. call FileSystem.exists(Path) instead
exists(Path) - Method in class org.apache.hadoop.fs.FileSystem
Check if exists.
exists(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
ExpandBuff(boolean) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
expectedTokenSequences - Variable in exception org.apache.hadoop.record.compiler.generated.ParseException
Each entry in this array is an array of integers.
EXPIRE_INTERVAL - Static variable in interface org.apache.hadoop.dfs.FSConstants
 

F

FAILED - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
FAILED - Static variable in class org.apache.hadoop.mapred.JobStatus
 
failedJobs() - Method in class org.apache.hadoop.mapred.JobTracker
 
Field() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
FILE_NAME_PROPERTY - Static variable in class org.apache.hadoop.metrics.file.FileContext
 
FileContext - Class in org.apache.hadoop.metrics.file
Metrics context for writing metrics to a file.

This class is configured by setting ContextFactory attributes which in turn are usually configured through a properties file.

FileContext() - Constructor for class org.apache.hadoop.metrics.file.FileContext
Creates a new instance of FileContext
FileSplit - Class in org.apache.hadoop.mapred
A section of an input file.
FileSplit(File, long, long) - Constructor for class org.apache.hadoop.mapred.FileSplit
Deprecated. Call FileSplit.FileSplit(Path,long,long) instead.
FileSplit(Path, long, long) - Constructor for class org.apache.hadoop.mapred.FileSplit
Constructs a split.
FileSystem - Class in org.apache.hadoop.fs
An abstract base class for a fairly generic filesystem.
FileSystem(Configuration) - Constructor for class org.apache.hadoop.fs.FileSystem
 
FileUtil - Class in org.apache.hadoop.fs
A collection of file-processing util methods
FileUtil() - Constructor for class org.apache.hadoop.fs.FileUtil
 
FillBuff() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
finalKey(WritableComparable) - Method in class org.apache.hadoop.io.MapFile.Reader
Reads the final key from the file.
find(String) - Method in class org.apache.hadoop.io.Text
 
find(String, int) - Method in class org.apache.hadoop.io.Text
Finds any occurence of what in the backing buffer, starting as position start.
finish() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
Finishes writing compressed data to the output stream without closing the underlying stream.
finish() - Method in class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionOutputStream
 
fix(FileSystem, Path, Class, Class, boolean, Configuration) - Static method in class org.apache.hadoop.io.MapFile
This method attempts to fix a corrupt MapFile by re-creating its index.
FIXING_DELETE - Static variable in class org.apache.hadoop.dfs.DFSck
Delete corrupted files.
FIXING_MOVE - Static variable in class org.apache.hadoop.dfs.DFSck
Move corrupted files to /lost+found .
FIXING_NONE - Static variable in class org.apache.hadoop.dfs.DFSck
Don't attempt any fixing .
FLOAT_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
FloatWritable - Class in org.apache.hadoop.io
A WritableComparable for floats.
FloatWritable() - Constructor for class org.apache.hadoop.io.FloatWritable
 
FloatWritable(float) - Constructor for class org.apache.hadoop.io.FloatWritable
 
FloatWritable.Comparator - Class in org.apache.hadoop.io
A Comparator optimized for FloatWritable.
FloatWritable.Comparator() - Constructor for class org.apache.hadoop.io.FloatWritable.Comparator
 
flush() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
 
flush() - Method in class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionOutputStream
 
flush() - Method in class org.apache.hadoop.metrics.file.FileContext
Flushes the output writer, forcing updates to disk.
flush() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Called each period after all records have been emitted, this method does nothing.
format(Configuration) - Static method in class org.apache.hadoop.dfs.NameNode
Format a new filesystem.
format(LogRecord) - Method in class org.apache.hadoop.util.LogFormatter
Deprecated. Format the given LogRecord.
fsck(String) - Method in class org.apache.hadoop.dfs.DFSck
Check files on DFS, starting from the indicated path.
FSConstants - Interface in org.apache.hadoop.dfs
Some handy constants
FSDataInputStream - Class in org.apache.hadoop.fs
Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.
FSDataInputStream(FileSystem, Path, int, Configuration) - Constructor for class org.apache.hadoop.fs.FSDataInputStream
 
FSDataInputStream(FileSystem, Path, Configuration) - Constructor for class org.apache.hadoop.fs.FSDataInputStream
 
FSDataInputStream(FSInputStream, Configuration) - Constructor for class org.apache.hadoop.fs.FSDataInputStream
Construct without checksums.
FSDataInputStream(FSInputStream, int) - Constructor for class org.apache.hadoop.fs.FSDataInputStream
Construct without checksums.
FSDataOutputStream - Class in org.apache.hadoop.fs
Utility that wraps a FSOutputStream in a DataOutputStream, buffers output through a BufferedOutputStream and creates a checksum file.
FSDataOutputStream(FileSystem, Path, boolean, Configuration, int, short, long) - Constructor for class org.apache.hadoop.fs.FSDataOutputStream
 
FSDataOutputStream(FileSystem, Path, boolean, Configuration, int, short, long, Progressable) - Constructor for class org.apache.hadoop.fs.FSDataOutputStream
 
FSError - Error in org.apache.hadoop.fs
Thrown for unexpected filesystem errors, presumed to reflect disk errors in the native filesystem.
fsError(String) - Method in class org.apache.hadoop.mapred.TaskTracker
A child task had a local filesystem error.
FSInputStream - Class in org.apache.hadoop.fs
FSInputStream is a generic old InputStream with a little bit of RAF-style seek ability.
FSInputStream() - Constructor for class org.apache.hadoop.fs.FSInputStream
 
FSOutputStream - Class in org.apache.hadoop.fs
FSOutputStream is an OutputStream that can track its position.
FSOutputStream() - Constructor for class org.apache.hadoop.fs.FSOutputStream
 
fullyDelete(File, Configuration) - Static method in class org.apache.hadoop.fs.FileUtil
Deprecated. Call FileUtil.fullyDelete(File).
fullyDelete(File) - Static method in class org.apache.hadoop.fs.FileUtil
Delete a directory and all its contents.

G

GangliaContext - Class in org.apache.hadoop.metrics.ganglia
Context for sending metrics to Ganglia.
GangliaContext() - Constructor for class org.apache.hadoop.metrics.ganglia.GangliaContext
Creates a new instance of GangliaContext
genCode(String) - Method in class org.apache.hadoop.record.compiler.JFile
Generate record code in given language.
genCppCode(FileWriter, FileWriter) - Method in class org.apache.hadoop.record.compiler.JRecord
 
genCppDecl() - Method in class org.apache.hadoop.record.compiler.JField
 
genCppDecl(String) - Method in class org.apache.hadoop.record.compiler.JRecord
 
genCppGetSet(String, int) - Method in class org.apache.hadoop.record.compiler.JBuffer
 
genCppGetSet(int) - Method in class org.apache.hadoop.record.compiler.JField
 
generateParseException() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
genJavaCode() - Method in class org.apache.hadoop.record.compiler.JRecord
 
genJavaCompareTo(String) - Method in class org.apache.hadoop.record.compiler.JBoolean
 
genJavaCompareTo(String) - Method in class org.apache.hadoop.record.compiler.JBuffer
 
genJavaCompareTo() - Method in class org.apache.hadoop.record.compiler.JField
 
genJavaCompareTo(String) - Method in class org.apache.hadoop.record.compiler.JMap
 
genJavaCompareTo(String) - Method in class org.apache.hadoop.record.compiler.JVector
 
genJavaConstructorParam(int) - Method in class org.apache.hadoop.record.compiler.JField
 
genJavaConstructorSet(int) - Method in class org.apache.hadoop.record.compiler.JField
 
genJavaDecl() - Method in class org.apache.hadoop.record.compiler.JField
 
genJavaEquals(String, String) - Method in class org.apache.hadoop.record.compiler.JBuffer
 
genJavaEquals() - Method in class org.apache.hadoop.record.compiler.JField
 
genJavaGetSet(int) - Method in class org.apache.hadoop.record.compiler.JField
 
genJavaHashCode(String) - Method in class org.apache.hadoop.record.compiler.JBoolean
 
genJavaHashCode(String) - Method in class org.apache.hadoop.record.compiler.JBuffer
 
genJavaHashCode(String) - Method in class org.apache.hadoop.record.compiler.JDouble
 
genJavaHashCode() - Method in class org.apache.hadoop.record.compiler.JField
 
genJavaHashCode(String) - Method in class org.apache.hadoop.record.compiler.JFloat
 
genJavaHashCode(String) - Method in class org.apache.hadoop.record.compiler.JLong
 
genJavaReadMethod(String, String) - Method in class org.apache.hadoop.record.compiler.JMap
 
genJavaReadMethod(String, String) - Method in class org.apache.hadoop.record.compiler.JRecord
 
genJavaReadMethod(String, String) - Method in class org.apache.hadoop.record.compiler.JVector
 
genJavaReadMethodName() - Method in class org.apache.hadoop.record.compiler.JField
 
genJavaReadWrapper(String, String, boolean) - Method in class org.apache.hadoop.record.compiler.JBuffer
 
genJavaReadWrapper(String, String, boolean) - Method in class org.apache.hadoop.record.compiler.JMap
 
genJavaReadWrapper(String, String, boolean) - Method in class org.apache.hadoop.record.compiler.JRecord
 
genJavaReadWrapper(String, String, boolean) - Method in class org.apache.hadoop.record.compiler.JString
 
genJavaReadWrapper(String, String, boolean) - Method in class org.apache.hadoop.record.compiler.JVector
 
genJavaWriteMethod(String, String) - Method in class org.apache.hadoop.record.compiler.JMap
 
genJavaWriteMethod(String, String) - Method in class org.apache.hadoop.record.compiler.JVector
 
genJavaWriteMethodName() - Method in class org.apache.hadoop.record.compiler.JField
 
genJavaWriteWrapper(String, String) - Method in class org.apache.hadoop.record.compiler.JBuffer
 
genJavaWriteWrapper(String, String) - Method in class org.apache.hadoop.record.compiler.JMap
 
genJavaWriteWrapper(String, String) - Method in class org.apache.hadoop.record.compiler.JRecord
 
genJavaWriteWrapper(String, String) - Method in class org.apache.hadoop.record.compiler.JString
 
genJavaWriteWrapper(String, String) - Method in class org.apache.hadoop.record.compiler.JVector
 
get(String, Object) - Method in class org.apache.hadoop.conf.Configuration
Returns the value of the name property.
get(String) - Method in class org.apache.hadoop.conf.Configuration
Returns the value of the name property, or null if no such property exists.
get(String, String) - Method in class org.apache.hadoop.conf.Configuration
Returns the value of the name property.
get(Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
Returns the configured filesystem implementation.
get(long, Writable) - Method in class org.apache.hadoop.io.ArrayFile.Reader
Return the nth value in the file.
get() - Method in class org.apache.hadoop.io.ArrayWritable
 
get() - Method in class org.apache.hadoop.io.BooleanWritable
Returns the value of the BooleanWritable
get() - Method in class org.apache.hadoop.io.BytesWritable
Get the data from the BytesWritable.
get() - Method in class org.apache.hadoop.io.FloatWritable
Return the value of this FloatWritable.
get() - Method in class org.apache.hadoop.io.IntWritable
Return the value of this IntWritable.
get() - Method in class org.apache.hadoop.io.LongWritable
Return the value of this LongWritable.
get(WritableComparable, Writable) - Method in class org.apache.hadoop.io.MapFile.Reader
Return the value for the named key, or null if none exists.
get() - Static method in class org.apache.hadoop.io.NullWritable
Returns the single instance of this class.
get() - Method in class org.apache.hadoop.io.ObjectWritable
Return the instance, or null if none.
get(WritableComparable) - Method in class org.apache.hadoop.io.SetFile.Reader
Read the matching key from a set into key.
get() - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
get(Class) - Static method in class org.apache.hadoop.io.WritableComparator
Get a comparator for a WritableComparable implementation.
get() - Static method in class org.apache.hadoop.ipc.Server
Returns the server instance called under or null.
get() - Method in class org.apache.hadoop.util.Progress
Returns the overall progress of the root.
getAddress(Configuration) - Static method in class org.apache.hadoop.mapred.JobTracker
 
getAssignedTracker(String) - Method in class org.apache.hadoop.mapred.JobTracker
Get tracker name for a given task id.
getAttribute(String) - Method in class org.apache.hadoop.mapred.StatusHttpServer
Get the value in the webapp context.
getAttribute(String) - Method in class org.apache.hadoop.metrics.ContextFactory
Returns the value of the named attribute, or null if there is no attribute of that name.
getAttribute(String) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Convenience method for subclasses to access factory attributes.
getAttributeNames() - Method in class org.apache.hadoop.metrics.ContextFactory
Returns the names of all the factory's attributes.
getAttributeTable(String) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Returns an attribute-value map derived from the factory attributes by finding all factory attributes that begin with contextName.tableName.
getAvailable() - Method in class org.apache.hadoop.fs.DF
 
getBeginColumn() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getBeginLine() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getBlockSize(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getBlockSize(String) - Method in class org.apache.hadoop.dfs.NameNode
 
getBlockSize(Path) - Method in class org.apache.hadoop.fs.FileSystem
Get the size for a particular file.
getBlockSize(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
getBoolean(String, boolean) - Method in class org.apache.hadoop.conf.Configuration
Returns the value of the name property as an boolean.
getBytes() - Method in class org.apache.hadoop.io.Text
Retuns the raw bytes.
getBytes() - Method in class org.apache.hadoop.io.UTF8
Deprecated. The raw bytes.
getBytes(String) - Static method in class org.apache.hadoop.io.UTF8
Deprecated. Convert a string to a UTF-8 encoded byte array.
getCapacity() - Method in class org.apache.hadoop.dfs.DatanodeInfo
The raw capacity.
getCapacity() - Method in class org.apache.hadoop.fs.DF
 
getCapacity() - Method in class org.apache.hadoop.io.BytesWritable
Get the capacity, which is the maximum size that could handled without resizing the backing storage.
getChecksumFile(Path) - Static method in class org.apache.hadoop.fs.FileSystem
Return the name of the checksum file associated with a file.
getClass(String, Class) - Method in class org.apache.hadoop.conf.Configuration
Returns the value of the name property as a Class.
getClass(String, Class, Class) - Method in class org.apache.hadoop.conf.Configuration
Returns the value of the name property as a Class.
getClass(String, Configuration) - Static method in class org.apache.hadoop.io.WritableName
Return the class for a name.
getClassByName(String) - Method in class org.apache.hadoop.conf.Configuration
Load a class by name.
getClassLoader() - Method in class org.apache.hadoop.conf.Configuration
Get the class loader for this job.
getClassName() - Method in exception org.apache.hadoop.ipc.RemoteException
 
getClientVersion() - Method in exception org.apache.hadoop.ipc.RPC.VersionMismatch
Get the client's prefered version
getClusterStatus() - Method in class org.apache.hadoop.mapred.JobClient
 
getClusterStatus() - Method in class org.apache.hadoop.mapred.JobTracker
 
getCodec(Path) - Method in class org.apache.hadoop.io.compress.CompressionCodecFactory
Find the relevant compression codec for the given file based on its filename suffix.
getCodecClasses(Configuration) - Static method in class org.apache.hadoop.io.compress.CompressionCodecFactory
Get the list of codecs listed in the configuration
getColumn() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
Deprecated.  
getCombinerClass() - Method in class org.apache.hadoop.mapred.JobConf
 
getCompressionCodec() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns the compression codec of data in this file.
getCompressionCodec() - Method in class org.apache.hadoop.io.SequenceFile.Writer
Returns the compression codec of data in this file.
getCompressionType(Configuration) - Static method in class org.apache.hadoop.io.SequenceFile
Get the compression type for the reduce outputs
getCompressMapOutput() - Method in class org.apache.hadoop.mapred.JobConf
Are the outputs of the maps be compressed?
getCompressOutput(JobConf) - Static method in class org.apache.hadoop.mapred.OutputFormatBase
Is the reduce output compressed?
getConf() - Method in interface org.apache.hadoop.conf.Configurable
Return the configuration used by this object.
getConf() - Method in class org.apache.hadoop.conf.Configured
 
getConf() - Method in class org.apache.hadoop.io.ObjectWritable
 
getConf() - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.FilterBase
 
getConf() - Method in class org.apache.hadoop.tools.Logalyzer.LogComparator
 
getConf() - Method in class org.apache.hadoop.util.ToolBase
 
getConfResourceAsInputStream(String) - Method in class org.apache.hadoop.conf.Configuration
Returns an input stream attached to the configuration resource with the given name.
getConfResourceAsReader(String) - Method in class org.apache.hadoop.conf.Configuration
Returns a reader attached to the configuration resource with the given name.
getContext(String) - Method in class org.apache.hadoop.metrics.ContextFactory
Returns the named MetricsContext instance, constructing it if necessary using the factory's current configuration attributes.
getContextFactory() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Returns the factory by which this context was created.
getContextName() - Method in interface org.apache.hadoop.metrics.MetricsContext
Returns the context name.
getContextName() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Returns the context name.
getCorruptFiles() - Method in class org.apache.hadoop.dfs.DFSck.Result
Return the number of currupted files.
getCppFQName() - Method in class org.apache.hadoop.record.compiler.JRecord
 
getCppNameSpace() - Method in class org.apache.hadoop.record.compiler.JRecord
 
getCurrentValue(Writable) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Get the 'value' corresponding to the last read 'key'.
getCurrentValue(Writable) - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
getData() - Method in class org.apache.hadoop.io.DataOutputBuffer
Returns the current contents of the buffer.
getDataNode() - Static method in class org.apache.hadoop.dfs.DataNode
Return the DataNode object
getDatanodeReport() - Method in class org.apache.hadoop.dfs.DatanodeInfo
A formatted string for reporting the status of the DataNode.
getDatanodeReport() - Method in class org.apache.hadoop.dfs.NameNode
 
getDataNodeStats() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Return statistics for each datanode.
getDeclaredClass() - Method in class org.apache.hadoop.io.ObjectWritable
Return the class this is meant to be.
getDefaultBlockSize() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getDefaultBlockSize() - Method in class org.apache.hadoop.fs.FileSystem
Return the number of bytes that large input files should be optimally be split into to minimize i/o time.
getDefaultBlockSize() - Method in class org.apache.hadoop.fs.LocalFileSystem
 
getDefaultExtension() - Method in interface org.apache.hadoop.io.compress.CompressionCodec
Get the default filename extension for this kind of compression.
getDefaultExtension() - Method in class org.apache.hadoop.io.compress.DefaultCodec
Get the default filename extension for this kind of compression.
getDefaultExtension() - Method in class org.apache.hadoop.io.compress.GzipCodec
Get the default filename extension for this kind of compression.
getDefaultHost(String, String) - Static method in class org.apache.hadoop.net.DNS
Returns the default (first) host name associated by the provided nameserver with the address bound to the specified network interface
getDefaultHost(String) - Static method in class org.apache.hadoop.net.DNS
Returns the default (first) host name associated by the default nameserver with the address bound to the specified network interface
getDefaultIP(String) - Static method in class org.apache.hadoop.net.DNS
Returns the first available IP address associated with the provided network interface
getDefaultReplication() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getDefaultReplication() - Method in class org.apache.hadoop.fs.FileSystem
Get the default replication.
getDefaultReplication() - Method in class org.apache.hadoop.fs.LocalFileSystem
 
getDependingJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getDiagnostics() - Method in class org.apache.hadoop.mapred.TaskReport
A list of error messages.
getDigest() - Method in class org.apache.hadoop.io.MD5Hash
Returns the digest bytes.
getDirPath() - Method in class org.apache.hadoop.fs.DF
 
getEndColumn() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getEndLine() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getEntry(MapFile.Reader[], Partitioner, WritableComparable, Writable) - Static method in class org.apache.hadoop.mapred.MapFileOutputFormat
Get an entry from output generated by this class.
getFactor() - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Get the number of streams to merge at once.
getFactory(Class) - Static method in class org.apache.hadoop.io.WritableFactories
Define a factory for a class.
getFactory() - Static method in class org.apache.hadoop.metrics.ContextFactory
Returns the singleton ContextFactory instance, constructing it if necessary.
getFailedJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getFields() - Method in class org.apache.hadoop.record.compiler.JRecord
 
getFile(String, String) - Method in class org.apache.hadoop.conf.Configuration
Returns a local file name under a directory named in dirsProp with the given path.
getFile() - Method in class org.apache.hadoop.mapred.FileSplit
Deprecated. Call FileSplit.getPath() instead.
getFileCacheHints(Path, long, long) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getFileCacheHints(Path, long, long) - Method in class org.apache.hadoop.fs.FileSystem
Return a 2D array of size 1x1 or greater, containing hostnames where portions of the given file can be found.
getFileCacheHints(Path, long, long) - Method in class org.apache.hadoop.fs.LocalFileSystem
Return 1x1 'localhost' cell if the file exists.
getFileName() - Method in class org.apache.hadoop.metrics.file.FileContext
Returns the configured file name, or null.
getFileSysName(URI) - Static method in class org.apache.hadoop.util.CopyFiles.CopyFilesMapper
 
getFilesystem() - Method in class org.apache.hadoop.fs.DF
 
getFilesystemName() - Method in class org.apache.hadoop.mapred.JobTracker
Grab the local fs name
getFloat(String, float) - Method in class org.apache.hadoop.conf.Configuration
Returns the value of the name property as a float.
getFs() - Method in class org.apache.hadoop.mapred.JobClient
Get a filesystem handle.
getHints(String, long, long) - Method in class org.apache.hadoop.dfs.NameNode
 
getHost() - Method in class org.apache.hadoop.dfs.DatanodeID
 
getHosts(String, String) - Static method in class org.apache.hadoop.net.DNS
Returns all the host names associated by the provided nameserver with the address bound to the specified network interface
getHosts(String) - Static method in class org.apache.hadoop.net.DNS
Returns all the host names associated by the default nameserver with the address bound to the specified network interface
GetImage() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getIndexInterval() - Method in class org.apache.hadoop.io.MapFile.Writer
The number of entries that are added before an index entry is added.
getInfoPort() - Method in class org.apache.hadoop.dfs.DatanodeID
 
getInfoPort() - Method in class org.apache.hadoop.mapred.JobTracker
 
getInputFormat() - Method in class org.apache.hadoop.mapred.JobConf
 
getInputKeyClass() - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Call RecordReader.createKey().
getInputPaths() - Method in class org.apache.hadoop.mapred.JobConf
 
getInputValueClass() - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Call RecordReader.createValue().
getInt(String, int) - Method in class org.apache.hadoop.conf.Configuration
Returns the value of the name property as an integer.
getInterfaceName() - Method in exception org.apache.hadoop.ipc.RPC.VersionMismatch
Get the interface name
getIPs(String) - Static method in class org.apache.hadoop.net.DNS
Returns all the IPs associated with the provided interface, if any, in textual form.
getJar() - Method in class org.apache.hadoop.mapred.JobConf
 
getJavaFQName() - Method in class org.apache.hadoop.record.compiler.JRecord
 
getJavaPackage() - Method in class org.apache.hadoop.record.compiler.JRecord
 
getJob(String) - Method in class org.apache.hadoop.mapred.JobClient
Get an RunningJob object to track an ongoing job.
getJob(String) - Method in class org.apache.hadoop.mapred.JobTracker
 
getJobClient() - Method in class org.apache.hadoop.mapred.TaskTracker
The connection to the JobTracker, used by the TaskRunner for locating remote files.
getJobConf() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getJobFile() - Method in interface org.apache.hadoop.mapred.RunningJob
Returns the path of the submitted job.
getJobID() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getJobId() - Method in class org.apache.hadoop.mapred.JobStatus
 
getJobID() - Method in interface org.apache.hadoop.mapred.RunningJob
Returns an identifier for the job
getJobName() - Method in class org.apache.hadoop.mapred.JobConf
Get the user-specified job name.
getJobName() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getJobProfile(String) - Method in class org.apache.hadoop.mapred.JobTracker
 
getJobStatus(String) - Method in class org.apache.hadoop.mapred.JobTracker
 
getJobTrackerMachine() - Method in class org.apache.hadoop.mapred.JobTracker
 
getKeepFailedTaskFiles() - Method in class org.apache.hadoop.mapred.JobConf
Should the temporary files for failed tasks be kept?
getKeepTaskFilesPattern() - Method in class org.apache.hadoop.mapred.JobConf
Get the regular expression that is matched against the task names to see if we need to keep the files.
getKeyClass() - Method in class org.apache.hadoop.io.MapFile.Reader
Returns the class of keys in this file.
getKeyClass() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns the class of keys in this file.
getKeyClass() - Method in class org.apache.hadoop.io.SequenceFile.Writer
Returns the class of keys in this file.
getKeyClass() - Method in class org.apache.hadoop.io.WritableComparator
Returns the WritableComparable implementation class.
getKeyClass() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
The class of key that must be passed to SequenceFileRecordReader.next(Writable,Writable)..
getLastUpdate() - Method in class org.apache.hadoop.dfs.DatanodeInfo
The time when this information was accurate.
getLength(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getLength(File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.getLength(Path) instead.
getLength(Path) - Method in class org.apache.hadoop.fs.FileSystem
The number of bytes in a file.
getLength(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
getLength() - Method in class org.apache.hadoop.io.DataInputBuffer
Returns the length of the input.
getLength() - Method in class org.apache.hadoop.io.DataOutputBuffer
Returns the length of the valid data currently in the buffer.
getLength() - Method in class org.apache.hadoop.io.SequenceFile.Writer
Returns the current length of the output file.
getLength() - Method in class org.apache.hadoop.io.Text
Returns the number of bytes in the byte array
getLength() - Method in class org.apache.hadoop.io.UTF8
Deprecated. The number of bytes in the encoded string.
getLength() - Method in class org.apache.hadoop.mapred.FileSplit
The number of bytes in the file to process.
getLine() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
Deprecated.  
getListing(String) - Method in class org.apache.hadoop.dfs.NameNode
 
getLocalDirs() - Method in class org.apache.hadoop.mapred.JobConf
 
getLocalFile(String, String) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Call JobConf.getLocalPath(String) instead.
getLocalPath(String, String) - Method in class org.apache.hadoop.conf.Configuration
Returns a local file under a directory named in dirsProp with the given path.
getLocalPath(String) - Method in class org.apache.hadoop.mapred.JobConf
Constructs a local file name.
getLogger(String) - Static method in class org.apache.hadoop.util.LogFormatter
Deprecated. Gets a logger and, as a side effect, installs this as the default formatter.
getLogStream(Logger, Level) - Static method in class org.apache.hadoop.util.LogFormatter
Deprecated. Returns a stream that, when written to, adds log lines.
getLong(String, long) - Method in class org.apache.hadoop.conf.Configuration
Returns the value of the name property as a long.
getMapOutputCompressorClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Get the codec for compressing the map outputs
getMapOutputKeyClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the key class for the map output data.
getMapOutputValueClass() - Method in class org.apache.hadoop.mapred.JobConf
Get the value class for the map output data.
getMapperClass() - Method in class org.apache.hadoop.mapred.JobConf
 
getMapredJobID() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getMapRunnerClass() - Method in class org.apache.hadoop.mapred.JobConf
 
getMapTaskReports(String) - Method in class org.apache.hadoop.mapred.JobTracker
 
getMapTasks() - Method in class org.apache.hadoop.mapred.ClusterStatus
The number of currently running map tasks.
getMaxTasks() - Method in class org.apache.hadoop.mapred.ClusterStatus
The maximum capacity for running tasks in the cluster.
getMemory() - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Get the total amount of buffer memory, in bytes.
getMessage() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getMessage() - Method in exception org.apache.hadoop.record.compiler.generated.ParseException
This method has the standard behavior when this object has been created using the standard constructors.
getMessage() - Method in error org.apache.hadoop.record.compiler.generated.TokenMgrError
You can also modify the body of this method to customize your error messages.
getMetric(String) - Method in class org.apache.hadoop.metrics.spi.OutputRecord
Returns the metric object which can be a Float, Integer, Short or Byte.
getMetricNames() - Method in class org.apache.hadoop.metrics.spi.OutputRecord
Returns the set of metric names.
getMissingIds() - Method in class org.apache.hadoop.dfs.DFSck.Result
Return a list of missing block names (as list of Strings).
getMissingSize() - Method in class org.apache.hadoop.dfs.DFSck.Result
Return total size of missing data, in bytes.
getMount() - Method in class org.apache.hadoop.fs.DF
 
getName() - Method in class org.apache.hadoop.dfs.DatanodeID
 
getName() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getName() - Method in class org.apache.hadoop.fs.FileSystem
Returns a name for this filesystem, suitable to pass to FileSystem.getNamed(String,Configuration).
getName() - Method in class org.apache.hadoop.fs.LocalFileSystem
 
getName() - Method in class org.apache.hadoop.fs.Path
Returns the final component of this path.
getName(Class) - Static method in class org.apache.hadoop.io.WritableName
Return the name for a class.
getName() - Method in class org.apache.hadoop.record.compiler.JField
 
getName() - Method in class org.apache.hadoop.record.compiler.JRecord
 
getNamed(String, Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
Returns a named filesystem.
getNamenode() - Method in class org.apache.hadoop.dfs.DataNode
Return the namenode's identifier
getNameNodeAddr() - Method in class org.apache.hadoop.dfs.DataNode
 
getNextToken() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
getNextToken() - Method in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
getNumber() - Method in class org.apache.hadoop.metrics.spi.MetricValue
 
getNumMapTasks() - Method in class org.apache.hadoop.mapred.JobConf
 
getNumReduceTasks() - Method in class org.apache.hadoop.mapred.JobConf
 
getObject(String) - Method in class org.apache.hadoop.conf.Configuration
Returns the value of the name property, or null if no such property exists.
getOutputCompressorClass(JobConf, Class) - Static method in class org.apache.hadoop.mapred.OutputFormatBase
Get the codec for compressing the reduce outputs
getOutputDir() - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Call JobConf.getOutputPath() instead.
getOutputFormat() - Method in class org.apache.hadoop.mapred.JobConf
 
getOutputKeyClass() - Method in class org.apache.hadoop.mapred.JobConf
 
getOutputKeyComparator() - Method in class org.apache.hadoop.mapred.JobConf
 
getOutputPath() - Method in class org.apache.hadoop.mapred.JobConf
 
getOutputValueClass() - Method in class org.apache.hadoop.mapred.JobConf
 
getOverReplicatedBlocks() - Method in class org.apache.hadoop.dfs.DFSck.Result
Return the number of over-replicsted blocks.
getParent() - Method in class org.apache.hadoop.fs.Path
Returns the parent of a path.
getPartition(WritableComparable, Writable, int) - Method in class org.apache.hadoop.mapred.lib.HashPartitioner
Use Object.hashCode() to partition.
getPartition(WritableComparable, Writable, int) - Method in interface org.apache.hadoop.mapred.Partitioner
Returns the paritition number for a given entry given the total number of partitions.
getPartitionerClass() - Method in class org.apache.hadoop.mapred.JobConf
 
getPath() - Method in class org.apache.hadoop.mapred.FileSplit
The file containing this split's data.
getPercentUsed() - Method in class org.apache.hadoop.fs.DF
 
getPeriod() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Returns the timer period.
getPort() - Method in class org.apache.hadoop.mapred.StatusHttpServer
Get the port that the server is on
getPos() - Method in class org.apache.hadoop.fs.FSDataInputStream
 
getPos() - Method in class org.apache.hadoop.fs.FSDataOutputStream
 
getPos() - Method in class org.apache.hadoop.fs.FSInputStream
Return the current offset from the start of the file
getPos() - Method in class org.apache.hadoop.fs.FSOutputStream
Return the current offset from the start of the file
getPos() - Method in interface org.apache.hadoop.mapred.RecordReader
Returns the current position in the input.
getPos() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
getPos() - Method in class org.apache.hadoop.mapred.TextInputFormat.LineRecordReader
 
getPosition() - Method in class org.apache.hadoop.io.DataInputBuffer
Returns the current position in the input.
getPosition() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Return the current byte position in the input file.
getProgress() - Method in class org.apache.hadoop.mapred.TaskReport
The amount completed, between zero and one.
getProtocolVersion(String, long) - Method in class org.apache.hadoop.dfs.NameNode
 
getProtocolVersion(String, long) - Method in interface org.apache.hadoop.ipc.VersionedProtocol
Return protocol version corresponding to protocol interface.
getProtocolVersion(String, long) - Method in class org.apache.hadoop.mapred.JobTracker
 
getProtocolVersion(String, long) - Method in class org.apache.hadoop.mapred.TaskTracker
 
getProxy(Class, long, InetSocketAddress, Configuration) - Static method in class org.apache.hadoop.ipc.RPC
Construct a client-side proxy object that implements the named protocol, talking to a server at the named address.
getRawCapacity() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Return the total raw capacity of the filesystem, disregarding replication .
getRawUsed() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Return the total raw used space in the filesystem, disregarding replication .
getReaders(FileSystem, File, Configuration) - Static method in class org.apache.hadoop.mapred.MapFileOutputFormat
Deprecated. Call MapFileOutputFormat.getReaders(FileSystem, Path, Configuration).
getReaders(FileSystem, Path, Configuration) - Static method in class org.apache.hadoop.mapred.MapFileOutputFormat
Open the output generated by this format.
getReaders(Configuration, File) - Static method in class org.apache.hadoop.mapred.SequenceFileOutputFormat
Deprecated. Call SequenceFileOutputFormat.getReaders(Configuration, Path) instead.
getReaders(Configuration, Path) - Static method in class org.apache.hadoop.mapred.SequenceFileOutputFormat
Open the output generated by this format.
getReadyJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getRecordName() - Method in interface org.apache.hadoop.metrics.MetricsRecord
Returns the record name.
getRecordName() - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Returns the record name.
getRecordReader(FileSystem, FileSplit, JobConf, Reporter) - Method in interface org.apache.hadoop.mapred.InputFormat
Construct a RecordReader for a FileSplit.
getRecordReader(FileSystem, FileSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.InputFormatBase
 
getRecordReader(FileSystem, FileSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter
Create a record reader for the given split
getRecordReader(FileSystem, FileSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.SequenceFileInputFormat
 
getRecordReader(FileSystem, FileSplit, JobConf, Reporter) - Method in class org.apache.hadoop.mapred.TextInputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.MapFileOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in interface org.apache.hadoop.mapred.OutputFormat
Construct a RecordWriter with Progressable.
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.OutputFormatBase
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.SequenceFileOutputFormat
 
getRecordWriter(FileSystem, JobConf, String, Progressable) - Method in class org.apache.hadoop.mapred.TextOutputFormat
 
getReducerClass() - Method in class org.apache.hadoop.mapred.JobConf
 
getReduceTaskReports(String) - Method in class org.apache.hadoop.mapred.JobTracker
 
getReduceTasks() - Method in class org.apache.hadoop.mapred.ClusterStatus
The number of current running reduce tasks.
getRemaining() - Method in class org.apache.hadoop.dfs.DatanodeInfo
The raw free space.
getReplication() - Method in class org.apache.hadoop.dfs.DFSck.Result
Return the intended replication factor, against which the over/under- replicated blocks are counted.
getReplication(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getReplication(Path) - Method in class org.apache.hadoop.fs.FileSystem
Get replication.
getReplication(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
Replication is not supported for the local file system.
getReplicationFactor() - Method in class org.apache.hadoop.dfs.DFSck.Result
Return the actual replication factor.
getResource(String) - Method in class org.apache.hadoop.conf.Configuration
Returns the URL for the named resource.
getRunnable() - Method in class org.apache.hadoop.util.Daemon
 
getRunningJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getRunState() - Method in class org.apache.hadoop.mapred.JobStatus
 
getServer(Object, int, Configuration) - Static method in class org.apache.hadoop.ipc.RPC
Construct a server for a protocol implementation instance listening on a port.
getServer(Object, int, int, boolean, Configuration) - Static method in class org.apache.hadoop.ipc.RPC
Construct a server for a protocol implementation instance listening on a port.
getServerVersion() - Method in exception org.apache.hadoop.ipc.RPC.VersionMismatch
Get the server's agreed to version.
getSignature() - Method in class org.apache.hadoop.record.compiler.JBoolean
 
getSignature() - Method in class org.apache.hadoop.record.compiler.JBuffer
 
getSignature() - Method in class org.apache.hadoop.record.compiler.JByte
 
getSignature() - Method in class org.apache.hadoop.record.compiler.JDouble
 
getSignature() - Method in class org.apache.hadoop.record.compiler.JField
 
getSignature() - Method in class org.apache.hadoop.record.compiler.JFloat
 
getSignature() - Method in class org.apache.hadoop.record.compiler.JInt
 
getSignature() - Method in class org.apache.hadoop.record.compiler.JLong
 
getSignature() - Method in class org.apache.hadoop.record.compiler.JMap
 
getSignature() - Method in class org.apache.hadoop.record.compiler.JRecord
 
getSignature() - Method in class org.apache.hadoop.record.compiler.JString
 
getSignature() - Method in class org.apache.hadoop.record.compiler.JVector
 
getSize() - Method in class org.apache.hadoop.io.BytesWritable
Get the current size of the buffer.
getSpeculativeExecution() - Method in class org.apache.hadoop.mapred.JobConf
Should speculative execution be used for this job?
getSplits(FileSystem, JobConf, int) - Method in interface org.apache.hadoop.mapred.InputFormat
Splits a set of input files.
getSplits(FileSystem, JobConf, int) - Method in class org.apache.hadoop.mapred.InputFormatBase
Splits files returned by InputFormatBase.listPaths(FileSystem,JobConf) when they're too big.
getStart() - Method in class org.apache.hadoop.mapred.FileSplit
The position of the first byte in the file to process.
getStartTime() - Method in class org.apache.hadoop.mapred.JobStatus
 
getStartTime() - Method in class org.apache.hadoop.mapred.JobTracker
 
getState() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
getState() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getState() - Method in class org.apache.hadoop.mapred.TaskReport
The most recent state, reported by a Reporter.
getStats() - Method in class org.apache.hadoop.dfs.NameNode
 
getStorageID() - Method in class org.apache.hadoop.dfs.DatanodeID
 
getStrings(String) - Method in class org.apache.hadoop.conf.Configuration
Returns the value of the name property as an array of strings.
getSuccessfulJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
GetSuffix(int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getSystemDir() - Method in class org.apache.hadoop.mapred.JobConf
 
getTabSize(int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
getTag(String) - Method in class org.apache.hadoop.metrics.spi.OutputRecord
Returns a tag object which is can be a String, Integer, Short or Byte.
getTag() - Method in class org.apache.hadoop.record.compiler.JField
 
getTagNames() - Method in class org.apache.hadoop.metrics.spi.OutputRecord
Returns the set of tag names
getTask(String) - Method in class org.apache.hadoop.mapred.TaskTracker
Called upon startup by the child process, to fetch Task data.
getTaskId() - Method in class org.apache.hadoop.mapred.TaskReport
The id of the task.
getTaskTracker(String) - Method in class org.apache.hadoop.mapred.JobTracker
 
getTaskTrackers() - Method in class org.apache.hadoop.mapred.ClusterStatus
The number of task trackers in the cluster.
getToken(int) - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
getTotalBlocks() - Method in class org.apache.hadoop.dfs.DFSck.Result
Return the total number of blocks in the scanned area.
getTotalDirs() - Method in class org.apache.hadoop.dfs.DFSck.Result
Return total number of directories encountered during this scan.
getTotalFiles() - Method in class org.apache.hadoop.dfs.DFSck.Result
Return total number of files encountered during this scan.
getTotalSize() - Method in class org.apache.hadoop.dfs.DFSck.Result
Return total size of scanned data, in bytes.
getTotalSubmissions() - Method in class org.apache.hadoop.mapred.JobTracker
 
getTracker() - Static method in class org.apache.hadoop.mapred.JobTracker
 
getTrackerPort() - Method in class org.apache.hadoop.mapred.JobTracker
 
getTrackingURL() - Method in interface org.apache.hadoop.mapred.RunningJob
Returns a URL where some job progress information will be displayed.
getType() - Method in class org.apache.hadoop.record.compiler.JField
 
getUnderReplicatedBlocks() - Method in class org.apache.hadoop.dfs.DFSck.Result
Return the number of under-replicated blocks.
getUsed() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Return the total size of all files in the filesystem.
getUsed() - Method in class org.apache.hadoop.fs.DF
 
getUser() - Method in class org.apache.hadoop.mapred.JobConf
Get the reported username for this job.
getUsername() - Method in class org.apache.hadoop.mapred.JobStatus
 
getValueClass() - Method in class org.apache.hadoop.io.ArrayWritable
 
getValueClass() - Method in class org.apache.hadoop.io.MapFile.Reader
Returns the class of values in this file.
getValueClass() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns the class of values in this file.
getValueClass() - Method in class org.apache.hadoop.io.SequenceFile.Writer
Returns the class of values in this file.
getValueClass() - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
The class of value that must be passed to SequenceFileRecordReader.next(Writable,Writable)..
getVersion() - Method in class org.apache.hadoop.io.VersionedWritable
Return the version number of the current implementation.
getVIntSize(long) - Static method in class org.apache.hadoop.io.WritableUtils
Get the encoded length if an integer is stored in a variable-length format
getWaitingJobs() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
getWorkingDirectory() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.fs.FileSystem
Get the current working directory for the given file system
getWorkingDirectory() - Method in class org.apache.hadoop.fs.LocalFileSystem
 
getWorkingDirectory() - Method in class org.apache.hadoop.mapred.JobConf
Get the current working directory for the default file system.
getXceiverCount() - Method in class org.apache.hadoop.dfs.DatanodeInfo
number of active connections
Grep - Class in org.apache.hadoop.examples
 
GT_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
GzipCodec - Class in org.apache.hadoop.io.compress
This class creates gzip compressors/decompressors.
GzipCodec() - Constructor for class org.apache.hadoop.io.compress.GzipCodec
 
GzipCodec.GzipInputStream - Class in org.apache.hadoop.io.compress
 
GzipCodec.GzipInputStream(InputStream) - Constructor for class org.apache.hadoop.io.compress.GzipCodec.GzipInputStream
 
GzipCodec.GzipInputStream(DefaultCodec.DefaultCompressionInputStream) - Constructor for class org.apache.hadoop.io.compress.GzipCodec.GzipInputStream
Allow subclasses to directly set the inflater stream.
GzipCodec.GzipOutputStream - Class in org.apache.hadoop.io.compress
A bridge that wraps around a DeflaterOutputStream to make it a CompressionOutputStream.
GzipCodec.GzipOutputStream(OutputStream) - Constructor for class org.apache.hadoop.io.compress.GzipCodec.GzipOutputStream
 
GzipCodec.GzipOutputStream(DefaultCodec.DefaultCompressionOutputStream) - Constructor for class org.apache.hadoop.io.compress.GzipCodec.GzipOutputStream
Allow children types to put a different type in here.

H

halfDigest() - Method in class org.apache.hadoop.io.MD5Hash
Construct a half-sized version of this MD5.
hashBytes(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Compute hash for binary data.
hashCode() - Method in class org.apache.hadoop.dfs.DatanodeID
 
hashCode() - Method in class org.apache.hadoop.fs.Path
 
hashCode() - Method in class org.apache.hadoop.io.BooleanWritable
 
hashCode() - Method in class org.apache.hadoop.io.BytesWritable
 
hashCode() - Method in class org.apache.hadoop.io.FloatWritable
 
hashCode() - Method in class org.apache.hadoop.io.IntWritable
 
hashCode() - Method in class org.apache.hadoop.io.LongWritable
 
hashCode() - Method in class org.apache.hadoop.io.MD5Hash
Returns a hash code value for this object.
hashCode() - Method in class org.apache.hadoop.io.Text
hash function
hashCode() - Method in class org.apache.hadoop.io.UTF8
Deprecated.  
HashPartitioner - Class in org.apache.hadoop.mapred.lib
Partition keys by their Object.hashCode().
HashPartitioner() - Constructor for class org.apache.hadoop.mapred.lib.HashPartitioner
 
hasLoggedSevere() - Static method in class org.apache.hadoop.util.LogFormatter
Deprecated. Returns true if this LogFormatter has logged something at Level.SEVERE
HEARTBEAT_INTERVAL - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
hexchars - Static variable in class org.apache.hadoop.record.Utils
 
humanReadableInt(long) - Static method in class org.apache.hadoop.util.StringUtils
Given an integer, return a string that is in an approximate, but human readable format.

I

IDENT_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
IdentityMapper - Class in org.apache.hadoop.mapred.lib
Implements the identity function, mapping inputs directly to outputs.
IdentityMapper() - Constructor for class org.apache.hadoop.mapred.lib.IdentityMapper
 
IdentityReducer - Class in org.apache.hadoop.mapred.lib
Performs no reduction, writing all input values directly to the output.
IdentityReducer() - Constructor for class org.apache.hadoop.mapred.lib.IdentityReducer
 
image - Variable in class org.apache.hadoop.record.compiler.generated.Token
The string image of the token.
in - Variable in class org.apache.hadoop.io.compress.CompressionInputStream
The input stream to be compressed.
inBuf - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
Include() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
INCLUDE_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
incr() - Method in interface org.apache.hadoop.record.Index
 
INCREMENT - Static variable in class org.apache.hadoop.metrics.spi.MetricValue
 
incrMetric(String, int) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Increments the named metric by the specified value.
incrMetric(String, short) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Increments the named metric by the specified value.
incrMetric(String, byte) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Increments the named metric by the specified value.
incrMetric(String, float) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Increments the named metric by the specified value.
incrMetric(String, int) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Increments the named metric by the specified value.
incrMetric(String, short) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Increments the named metric by the specified value.
incrMetric(String, byte) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Increments the named metric by the specified value.
incrMetric(String, float) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Increments the named metric by the specified value.
Index - Interface in org.apache.hadoop.record
Interface that acts as an iterator for deserializing maps.
INDEX_FILE_NAME - Static variable in class org.apache.hadoop.io.MapFile
The name of the index file.
infoPort - Variable in class org.apache.hadoop.dfs.DatanodeID
 
init(int, boolean, boolean, boolean) - Method in class org.apache.hadoop.dfs.DFSck
 
init() - Method in class org.apache.hadoop.dfs.DFSShell
 
init() - Method in class org.apache.hadoop.mapred.JobClient
 
init(String, ContextFactory) - Method in class org.apache.hadoop.metrics.file.FileContext
 
init(String, ContextFactory) - Method in class org.apache.hadoop.metrics.ganglia.GangliaContext
 
init(String, ContextFactory) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Initializes the context.
initFileHandler(Configuration, String) - Static method in class org.apache.hadoop.util.LogFormatter
Deprecated.  
Input() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
input_stream - Variable in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
InputArchive - Interface in org.apache.hadoop.record
Interface that all the Deserializers have to implement.
InputFormat - Interface in org.apache.hadoop.mapred
An input data format.
InputFormatBase - Class in org.apache.hadoop.mapred
A base class for InputFormat.
InputFormatBase() - Constructor for class org.apache.hadoop.mapred.InputFormatBase
 
inputStream - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
INT_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
IntWritable - Class in org.apache.hadoop.io
A WritableComparable for ints.
IntWritable() - Constructor for class org.apache.hadoop.io.IntWritable
 
IntWritable(int) - Constructor for class org.apache.hadoop.io.IntWritable
 
IntWritable.Comparator - Class in org.apache.hadoop.io
A Comparator optimized for IntWritable.
IntWritable.Comparator() - Constructor for class org.apache.hadoop.io.IntWritable.Comparator
 
InverseMapper - Class in org.apache.hadoop.mapred.lib
A Mapper that swaps keys and values.
InverseMapper() - Constructor for class org.apache.hadoop.mapred.lib.InverseMapper
 
isAbsolute() - Method in class org.apache.hadoop.fs.Path
True if this path is absolute.
isAbsolute() - Method in class org.apache.hadoop.metrics.spi.MetricValue
 
isBlockCompressed() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns true if records are block-compressed.
isChecksumFile(Path) - Static method in class org.apache.hadoop.fs.FileSystem
Return true iff file is a checksum file name.
isComplete() - Method in interface org.apache.hadoop.mapred.RunningJob
Non-blocking function to check whether the job is finished or not.
isCompleted() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
isCompressed() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns true if values are compressed.
isDir(String) - Method in class org.apache.hadoop.dfs.NameNode
 
isDirectory(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
isDirectory(File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.isDirectory(Path) instead.
isDirectory(Path) - Method in class org.apache.hadoop.fs.FileSystem
True iff the named path is a directory.
isDirectory(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
isFile(File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.isFile(Path) instead.
isFile(Path) - Method in class org.apache.hadoop.fs.FileSystem
True iff the named path is a regular file.
isHealthy() - Method in class org.apache.hadoop.dfs.DFSck.Result
DFS is considered healthy if there are no missing blocks.
isIdle() - Method in class org.apache.hadoop.mapred.TaskTracker
Is this task tracker idle?
isIncrement() - Method in class org.apache.hadoop.metrics.spi.MetricValue
 
isMonitoring() - Method in interface org.apache.hadoop.metrics.MetricsContext
Returns true if monitoring is currently in progress.
isMonitoring() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Returns true if monitoring is currently in progress.
IsolationRunner - Class in org.apache.hadoop.mapred
 
IsolationRunner() - Constructor for class org.apache.hadoop.mapred.IsolationRunner
 
isReady() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
isSplitable(FileSystem, Path) - Method in class org.apache.hadoop.mapred.InputFormatBase
Is the given filename splitable? Usually, true, but if the file is stream compressed, it will not be.
isSplitable(FileSystem, Path) - Method in class org.apache.hadoop.mapred.TextInputFormat
 
isSuccessful() - Method in interface org.apache.hadoop.mapred.RunningJob
True iff job completed successfully.

J

JBoolean - Class in org.apache.hadoop.record.compiler
 
JBoolean() - Constructor for class org.apache.hadoop.record.compiler.JBoolean
Creates a new instance of JBoolean
JBuffer - Class in org.apache.hadoop.record.compiler
 
JBuffer() - Constructor for class org.apache.hadoop.record.compiler.JBuffer
Creates a new instance of JBuffer
JByte - Class in org.apache.hadoop.record.compiler
 
JByte() - Constructor for class org.apache.hadoop.record.compiler.JByte
Creates a new instance of JByte
JDouble - Class in org.apache.hadoop.record.compiler
 
JDouble() - Constructor for class org.apache.hadoop.record.compiler.JDouble
Creates a new instance of JDouble
JField - Class in org.apache.hadoop.record.compiler
 
JField(JType, String) - Constructor for class org.apache.hadoop.record.compiler.JField
Creates a new instance of JField
JFile - Class in org.apache.hadoop.record.compiler
Container for the Hadoop Record DDL.
JFile(String, ArrayList, ArrayList) - Constructor for class org.apache.hadoop.record.compiler.JFile
Creates a new instance of JFile
JFloat - Class in org.apache.hadoop.record.compiler
 
JFloat() - Constructor for class org.apache.hadoop.record.compiler.JFloat
Creates a new instance of JFloat
JInt - Class in org.apache.hadoop.record.compiler
 
JInt() - Constructor for class org.apache.hadoop.record.compiler.JInt
Creates a new instance of JInt
jj_nt - Variable in class org.apache.hadoop.record.compiler.generated.Rcc
 
jjFillToken() - Method in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
jjnewLexState - Static variable in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
jjstrLiteralImages - Static variable in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
JLong - Class in org.apache.hadoop.record.compiler
 
JLong() - Constructor for class org.apache.hadoop.record.compiler.JLong
Creates a new instance of JLong
JMap - Class in org.apache.hadoop.record.compiler
 
JMap(JType, JType) - Constructor for class org.apache.hadoop.record.compiler.JMap
Creates a new instance of JMap
Job - Class in org.apache.hadoop.mapred.jobcontrol
This class encapsulates a MapReduce job and its dependency.
Job(JobConf, ArrayList) - Constructor for class org.apache.hadoop.mapred.jobcontrol.Job
Construct a job.
JobClient - Class in org.apache.hadoop.mapred
JobClient interacts with the JobTracker network interface.
JobClient() - Constructor for class org.apache.hadoop.mapred.JobClient
Build a job client, connect to the default job tracker
JobClient(Configuration) - Constructor for class org.apache.hadoop.mapred.JobClient
 
JobClient(InetSocketAddress, Configuration) - Constructor for class org.apache.hadoop.mapred.JobClient
Build a job client, connect to the indicated job tracker.
JobConf - Class in org.apache.hadoop.mapred
A map/reduce job configuration.
JobConf() - Constructor for class org.apache.hadoop.mapred.JobConf
Construct a map/reduce job configuration.
JobConf(Class) - Constructor for class org.apache.hadoop.mapred.JobConf
Construct a map/reduce job configuration.
JobConf(Configuration) - Constructor for class org.apache.hadoop.mapred.JobConf
Construct a map/reduce job configuration.
JobConf(Configuration, Class) - Constructor for class org.apache.hadoop.mapred.JobConf
Construct a map/reduce job configuration.
JobConf(String) - Constructor for class org.apache.hadoop.mapred.JobConf
Construct a map/reduce configuration.
JobConf(Path) - Constructor for class org.apache.hadoop.mapred.JobConf
Construct a map/reduce configuration.
JobConfigurable - Interface in org.apache.hadoop.mapred
That what may be configured.
JobControl - Class in org.apache.hadoop.mapred.jobcontrol
This class encapsulates a set of MapReduce jobs and its dependency.
JobControl(String) - Constructor for class org.apache.hadoop.mapred.jobcontrol.JobControl
Construct a job control for a group of jobs.
JobStatus - Class in org.apache.hadoop.mapred
Describes the current status of a job.
JobStatus() - Constructor for class org.apache.hadoop.mapred.JobStatus
 
JobStatus(String, float, float, int) - Constructor for class org.apache.hadoop.mapred.JobStatus
Create a job status object for a given jobid.
jobsToComplete() - Method in class org.apache.hadoop.mapred.JobClient
 
jobsToComplete() - Method in class org.apache.hadoop.mapred.JobTracker
 
JobTracker - Class in org.apache.hadoop.mapred
JobTracker is the central location for submitting and tracking MR jobs in a network environment.
join() - Method in class org.apache.hadoop.dfs.NameNode
Wait for service to finish.
join() - Method in class org.apache.hadoop.ipc.Server
Wait for the server to be stopped.
JRecord - Class in org.apache.hadoop.record.compiler
 
JRecord(String, ArrayList) - Constructor for class org.apache.hadoop.record.compiler.JRecord
Creates a new instance of JRecord
JspHelper - Class in org.apache.hadoop.dfs
 
JspHelper() - Constructor for class org.apache.hadoop.dfs.JspHelper
 
JString - Class in org.apache.hadoop.record.compiler
 
JString() - Constructor for class org.apache.hadoop.record.compiler.JString
Creates a new instance of JString
JType - Class in org.apache.hadoop.record.compiler
Abstract Base class for all types supported by Hadoop Record I/O.
JVector - Class in org.apache.hadoop.record.compiler
 
JVector(JType) - Constructor for class org.apache.hadoop.record.compiler.JVector
Creates a new instance of JVector

K

key() - Method in class org.apache.hadoop.io.ArrayFile.Reader
Returns the key associated with the most recent call to ArrayFile.Reader.seek(long), ArrayFile.Reader.next(Writable), or ArrayFile.Reader.get(long,Writable).
killJob(String) - Method in class org.apache.hadoop.mapred.JobTracker
 
killJob() - Method in interface org.apache.hadoop.mapred.RunningJob
Kill the running job.
kind - Variable in class org.apache.hadoop.record.compiler.generated.Token
An integer that describes the kind of this token.

L

lastUpdate - Variable in class org.apache.hadoop.dfs.DatanodeInfo
 
lastUpdate() - Method in class org.apache.hadoop.dfs.DatanodeInfo
Deprecated. Use DatanodeInfo.getLastUpdate() instead.
LBRACE_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
LEASE_PERIOD - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
LeaseExpiredException - Exception in org.apache.hadoop.dfs
The lease that was being used to create this file has expired.
LeaseExpiredException(String) - Constructor for exception org.apache.hadoop.dfs.LeaseExpiredException
 
LexicalError(boolean, int, int, int, String, char) - Static method in error org.apache.hadoop.record.compiler.generated.TokenMgrError
Returns a detailed message for the Error when it is thrown by the token manager to indicate a lexical error.
lexStateNames - Static variable in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
line - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
listFiles(File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.listPaths(Path) instead.
listFiles(File, FileFilter) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.listPaths(Path) instead.
listFiles(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.InputFormatBase
Deprecated. Call InputFormatBase.listFiles(FileSystem,JobConf) instead.
listPaths(Path) - Method in class org.apache.hadoop.fs.FileSystem
List files in a directory.
listPaths(Path, PathFilter) - Method in class org.apache.hadoop.fs.FileSystem
Filter files in a directory.
listPaths(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.InputFormatBase
List input directories.
listPaths(FileSystem, JobConf) - Method in class org.apache.hadoop.mapred.SequenceFileInputFormat
 
listPathsRaw(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
listPathsRaw(Path) - Method in class org.apache.hadoop.fs.FileSystem
List files in a directory.
listPathsRaw(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
LocalFileSystem - Class in org.apache.hadoop.fs
Implement the FileSystem API for the native filesystem.
LocalFileSystem(Configuration) - Constructor for class org.apache.hadoop.fs.LocalFileSystem
Construct a local filesystem client.
locateMapOutputs(String, int[], int) - Method in class org.apache.hadoop.mapred.JobTracker
A TaskTracker wants to know the physical locations of completed, but not yet closed, tasks.
lock(Path, boolean) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
lock(File, boolean) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.lock(Path,boolean) instead.
lock(Path, boolean) - Method in class org.apache.hadoop.fs.FileSystem
Obtain a lock on the given Path
lock(Path, boolean) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
LOG - Static variable in class org.apache.hadoop.dfs.DataNode
 
LOG - Static variable in class org.apache.hadoop.dfs.NameNode
 
LOG - Static variable in class org.apache.hadoop.fs.FileSystem
 
LOG - Static variable in class org.apache.hadoop.io.compress.CompressionCodecFactory
 
LOG - Static variable in class org.apache.hadoop.io.SequenceFile
 
LOG - Static variable in class org.apache.hadoop.ipc.Client
 
LOG - Static variable in class org.apache.hadoop.ipc.Server
 
LOG - Static variable in class org.apache.hadoop.mapred.InputFormatBase
 
LOG - Static variable in class org.apache.hadoop.mapred.JobTracker
 
LOG - Static variable in class org.apache.hadoop.mapred.TaskTracker
 
LOG - Static variable in class org.apache.hadoop.util.ToolBase
 
Logalyzer - Class in org.apache.hadoop.tools
Logalyzer: A utility tool for archiving and analyzing hadoop logs.
Logalyzer() - Constructor for class org.apache.hadoop.tools.Logalyzer
 
Logalyzer.LogComparator - Class in org.apache.hadoop.tools
A WritableComparator optimized for UTF8 keys of the logs.
Logalyzer.LogComparator() - Constructor for class org.apache.hadoop.tools.Logalyzer.LogComparator
 
Logalyzer.LogRegexMapper - Class in org.apache.hadoop.tools
A Mapper that extracts text matching a regular expression.
Logalyzer.LogRegexMapper() - Constructor for class org.apache.hadoop.tools.Logalyzer.LogRegexMapper
 
LogFormatter - Class in org.apache.hadoop.util
Deprecated. use LogFactory instead.
LogFormatter() - Constructor for class org.apache.hadoop.util.LogFormatter
Deprecated.  
LONG_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
LongSumReducer - Class in org.apache.hadoop.mapred.lib
A Reducer that sums long values.
LongSumReducer() - Constructor for class org.apache.hadoop.mapred.lib.LongSumReducer
 
LongWritable - Class in org.apache.hadoop.io
A WritableComparable for longs.
LongWritable() - Constructor for class org.apache.hadoop.io.LongWritable
 
LongWritable(long) - Constructor for class org.apache.hadoop.io.LongWritable
 
LongWritable.Comparator - Class in org.apache.hadoop.io
A Comparator optimized for LongWritable.
LongWritable.Comparator() - Constructor for class org.apache.hadoop.io.LongWritable.Comparator
 
LongWritable.DecreasingComparator - Class in org.apache.hadoop.io
A decreasing Comparator optimized for LongWritable.
LongWritable.DecreasingComparator() - Constructor for class org.apache.hadoop.io.LongWritable.DecreasingComparator
 
ls(String, boolean) - Method in class org.apache.hadoop.dfs.DFSShell
Get a listing of all files in DFS at the indicated name
LT_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 

M

main(String[]) - Static method in class org.apache.hadoop.conf.Configuration
For debugging.
main(String[]) - Static method in class org.apache.hadoop.dfs.DataNode
 
main(String[]) - Static method in class org.apache.hadoop.dfs.DFSck
 
main(String[]) - Static method in class org.apache.hadoop.dfs.DFSShell
main() has some simple utility methods
main(String[]) - Static method in class org.apache.hadoop.dfs.NameNode
 
main(String[]) - Static method in class org.apache.hadoop.examples.ExampleDriver
A description of an example program based on its class and a human-readable description.
main(String[]) - Static method in class org.apache.hadoop.examples.Grep
 
main(String[]) - Static method in class org.apache.hadoop.examples.NNBench
This is the main routine for launching a distributed namenode stress test.
main(String[]) - Static method in class org.apache.hadoop.examples.PiBenchmark
Launches all the tasks in order.
main(String[]) - Static method in class org.apache.hadoop.examples.RandomWriter
This is the main routine for launching a distributed random write job.
main(String[]) - Static method in class org.apache.hadoop.examples.Sort
The main driver for sort program.
main(String[]) - Static method in class org.apache.hadoop.examples.WordCount
The main driver for word count map/reduce program.
main(String[]) - Static method in class org.apache.hadoop.fs.DF
 
main(String[]) - Static method in class org.apache.hadoop.io.compress.CompressionCodecFactory
A little test program.
main(String[]) - Static method in class org.apache.hadoop.io.MapFile
 
main(String[]) - Static method in class org.apache.hadoop.mapred.IsolationRunner
Run a single task
main(String[]) - Static method in class org.apache.hadoop.mapred.JobClient
 
main(String[]) - Static method in class org.apache.hadoop.mapred.jobcontrol.Job
 
main(String[]) - Static method in class org.apache.hadoop.mapred.jobcontrol.JobControl
 
main(String[]) - Static method in class org.apache.hadoop.mapred.JobTracker
Start the JobTracker process.
main(String[]) - Static method in class org.apache.hadoop.mapred.TaskTracker.Child
 
main(String[]) - Static method in class org.apache.hadoop.mapred.TaskTracker
Start the TaskTracker, point toward the indicated JobTracker
main(String[]) - Static method in class org.apache.hadoop.record.compiler.generated.Rcc
 
main(String[]) - Static method in class org.apache.hadoop.tools.Logalyzer
 
main(String[]) - Static method in class org.apache.hadoop.util.CopyFiles
 
main(String[]) - Static method in class org.apache.hadoop.util.PrintJarMainClass
 
main(String[]) - Static method in class org.apache.hadoop.util.RunJar
Run a Hadoop job jar.
makeRelative(Path, Path) - Static method in class org.apache.hadoop.util.CopyFiles.CopyFilesMapper
Make a path relative with respect to a root path.
map(WritableComparable, Writable, OutputCollector, Reporter) - Method in class org.apache.hadoop.examples.NNBench.Map
Given a number of files to create, create and open those files.
map(WritableComparable, Writable, OutputCollector, Reporter) - Method in class org.apache.hadoop.examples.PiBenchmark.PiMapper
Map method.
map(WritableComparable, Writable, OutputCollector, Reporter) - Method in class org.apache.hadoop.examples.RandomWriter.Map
Given an output filename, write a bunch of random records to it.
map(WritableComparable, Writable, OutputCollector, Reporter) - Method in class org.apache.hadoop.examples.WordCount.MapClass
 
map(WritableComparable, Writable, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.IdentityMapper
The identify function.
map(WritableComparable, Writable, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.InverseMapper
The inverse function.
map(WritableComparable, Writable, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.RegexMapper
 
map(WritableComparable, Writable, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.TokenCountMapper
 
map(WritableComparable, Writable, OutputCollector, Reporter) - Method in interface org.apache.hadoop.mapred.Mapper
Maps a single input key/value pair into intermediate key/value pairs.
Map() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
map(WritableComparable, Writable, OutputCollector, Reporter) - Method in class org.apache.hadoop.tools.Logalyzer.LogRegexMapper
 
map(WritableComparable, Writable, OutputCollector, Reporter) - Method in class org.apache.hadoop.util.CopyFiles.DFSCopyFilesMapper
Map method.
map(WritableComparable, Writable, OutputCollector, Reporter) - Method in class org.apache.hadoop.util.CopyFiles.HTTPCopyFilesMapper
 
MAP_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
MapFile - Class in org.apache.hadoop.io
A file-based map from keys to values.
MapFile() - Constructor for class org.apache.hadoop.io.MapFile
 
MapFile.Reader - Class in org.apache.hadoop.io
Provide access to an existing map.
MapFile.Reader(FileSystem, String, Configuration) - Constructor for class org.apache.hadoop.io.MapFile.Reader
Construct a map reader for the named map.
MapFile.Reader(FileSystem, String, WritableComparator, Configuration) - Constructor for class org.apache.hadoop.io.MapFile.Reader
Construct a map reader for the named map using the named comparator.
MapFile.Writer - Class in org.apache.hadoop.io
Writes a new map.
MapFile.Writer(FileSystem, String, Class, Class) - Constructor for class org.apache.hadoop.io.MapFile.Writer
Create the named map for keys of the named class.
MapFile.Writer(FileSystem, String, Class, Class, boolean) - Constructor for class org.apache.hadoop.io.MapFile.Writer
Create the named map for keys of the named class.
MapFile.Writer(FileSystem, String, WritableComparator, Class) - Constructor for class org.apache.hadoop.io.MapFile.Writer
Create the named map using the named key comparator.
MapFile.Writer(FileSystem, String, WritableComparator, Class, boolean) - Constructor for class org.apache.hadoop.io.MapFile.Writer
Create the named map using the named key comparator.
MapFileOutputFormat - Class in org.apache.hadoop.mapred
An OutputFormat that writes MapFiles.
MapFileOutputFormat() - Constructor for class org.apache.hadoop.mapred.MapFileOutputFormat
 
mapOutputLost(String) - Method in class org.apache.hadoop.mapred.TaskTracker
A completed map task's output has been lost.
Mapper - Interface in org.apache.hadoop.mapred
Maps input key/value pairs to a set of intermediate key/value pairs.
mapProgress() - Method in class org.apache.hadoop.mapred.JobStatus
 
mapProgress() - Method in interface org.apache.hadoop.mapred.RunningJob
Returns a float between 0.0 and 1.0, indicating progress on the map portion of the job.
MapReduceBase - Class in org.apache.hadoop.mapred
Base class for Mapper and Reducer implementations.
MapReduceBase() - Constructor for class org.apache.hadoop.mapred.MapReduceBase
 
MapRunnable - Interface in org.apache.hadoop.mapred
Expert: Permits greater control of map processing.
MapRunner - Class in org.apache.hadoop.mapred
Default MapRunnable implementation.
MapRunner() - Constructor for class org.apache.hadoop.mapred.MapRunner
 
maxNextCharInd - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
MD5_LEN - Static variable in class org.apache.hadoop.io.MD5Hash
 
MD5_LEN - Static variable in class org.apache.hadoop.mapred.SequenceFileInputFilter.MD5Filter
 
MD5Hash - Class in org.apache.hadoop.io
A Writable for MD5 hash values.
MD5Hash() - Constructor for class org.apache.hadoop.io.MD5Hash
Constructs an MD5Hash.
MD5Hash(String) - Constructor for class org.apache.hadoop.io.MD5Hash
Constructs an MD5Hash from a hex string.
MD5Hash(byte[]) - Constructor for class org.apache.hadoop.io.MD5Hash
Constructs an MD5Hash with a specified value.
MD5Hash.Comparator - Class in org.apache.hadoop.io
A WritableComparator optimized for MD5Hash keys.
MD5Hash.Comparator() - Constructor for class org.apache.hadoop.io.MD5Hash.Comparator
 
merge(Path[], Path) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Merge the provided files.
Metrics - Class in org.apache.hadoop.metrics
Utility class to simplify creation and reporting of hadoop metrics.
MetricsContext - Interface in org.apache.hadoop.metrics
The main interface to the metrics package.
MetricsException - Exception in org.apache.hadoop.metrics
General-purpose, unchecked metrics exception.
MetricsException() - Constructor for exception org.apache.hadoop.metrics.MetricsException
Creates a new instance of MetricsException
MetricsException(String) - Constructor for exception org.apache.hadoop.metrics.MetricsException
Creates a new instance of MetricsException
MetricsRecord - Interface in org.apache.hadoop.metrics
A named and optionally tagged set of records to be sent to the metrics system.
MetricsRecordImpl - Class in org.apache.hadoop.metrics.spi
An implementation of MetricsRecord.
MetricsRecordImpl(String, AbstractMetricsContext) - Constructor for class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Creates a new instance of FileRecord
MetricValue - Class in org.apache.hadoop.metrics.spi
A Number that is either an absolute or an incremental amount.
MetricValue(Number, boolean) - Constructor for class org.apache.hadoop.metrics.spi.MetricValue
Creates a new instance of MetricValue
MIN_BLOCKS_FOR_WRITE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
mkdir(String) - Method in class org.apache.hadoop.dfs.DFSShell
Create the given dir
mkdirs(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
mkdirs(String) - Method in class org.apache.hadoop.dfs.NameNode
 
mkdirs(File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.mkdirs(Path) instead.
mkdirs(Path) - Method in class org.apache.hadoop.fs.FileSystem
Make the given file and all non-existent parents into directories.
mkdirs(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
Creates the specified directory hierarchy.
Module() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
MODULE_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
ModuleName() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
moveFromLocalFile(Path, Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
moveFromLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
The src file is on the local disk.
moveFromLocalFile(Path, Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 

N

name - Variable in class org.apache.hadoop.dfs.DatanodeID
 
NameNode - Class in org.apache.hadoop.dfs
NameNode serves as both directory namespace manager and "inode table" for the Hadoop DFS.
NameNode(Configuration) - Constructor for class org.apache.hadoop.dfs.NameNode
Create a NameNode at the default location
NameNode(File, int, Configuration) - Constructor for class org.apache.hadoop.dfs.NameNode
Create a NameNode at the specified location and start it.
newInstance(Class, Configuration) - Static method in class org.apache.hadoop.io.WritableFactories
Create a new instance of a class with a defined factory.
newInstance(Class) - Static method in class org.apache.hadoop.io.WritableFactories
Create a new instance of a class with a defined factory.
newInstance() - Method in interface org.apache.hadoop.io.WritableFactory
Return a new instance.
newInstance(Class, Configuration) - Static method in class org.apache.hadoop.util.ReflectionUtils
Create an object for the given class and initialize it from conf
newKey() - Method in class org.apache.hadoop.io.WritableComparator
Construct a new WritableComparable instance.
newRecord(String) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Subclasses should override this if they subclass MetricsRecordImpl.
newToken(int) - Static method in class org.apache.hadoop.record.compiler.generated.Token
Returns a new Token object, by default.
next(Writable) - Method in class org.apache.hadoop.io.ArrayFile.Reader
Read and return the next value in the file.
next(WritableComparable, Writable) - Method in class org.apache.hadoop.io.MapFile.Reader
Read the next key/value pair in the map into key and val.
next(Writable) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Read the next key in the file into key, skipping its value.
next(Writable, Writable) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Read the next key/value pair in the file into key and val.
next(DataOutputBuffer) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Deprecated. Call SequenceFile.Reader.nextRaw(DataOutputBuffer,SequenceFile.ValueBytes).
next(WritableComparable) - Method in class org.apache.hadoop.io.SetFile.Reader
Read the next key in a set into key.
next(Writable, Writable) - Method in interface org.apache.hadoop.mapred.RecordReader
Reads the next key/value pair.
next(Writable, Writable) - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
next(Writable) - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
next(Writable, Writable) - Method in class org.apache.hadoop.mapred.TextInputFormat.LineRecordReader
Read a line.
next - Variable in class org.apache.hadoop.record.compiler.generated.Token
A reference to the next regular (non-special) token from the input stream.
nextRaw(DataOutputBuffer, SequenceFile.ValueBytes) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Read 'raw' records.
NNBench - Class in org.apache.hadoop.examples
This program uses map/reduce to just run a distributed job where there is no interaction between the tasks and each task creates 1M/NTasks files of 8 bytes each, closes them.
NNBench() - Constructor for class org.apache.hadoop.examples.NNBench
 
NNBench.Map - Class in org.apache.hadoop.examples
 
NNBench.Map() - Constructor for class org.apache.hadoop.examples.NNBench.Map
 
NotReplicatedYetException - Exception in org.apache.hadoop.dfs
The file has not finished being written to enough datanodes yet.
NotReplicatedYetException(String) - Constructor for exception org.apache.hadoop.dfs.NotReplicatedYetException
 
NullContext - Class in org.apache.hadoop.metrics.spi
Null metrics context: a metrics context which does nothing.
NullContext() - Constructor for class org.apache.hadoop.metrics.spi.NullContext
Creates a new instance of NullContext
NullWritable - Class in org.apache.hadoop.io
Singleton Writable with no data.

O

ObjectWritable - Class in org.apache.hadoop.io
A polymorphic Writable that writes an instance with it's class name.
ObjectWritable() - Constructor for class org.apache.hadoop.io.ObjectWritable
 
ObjectWritable(Object) - Constructor for class org.apache.hadoop.io.ObjectWritable
 
ObjectWritable(Class, Object) - Constructor for class org.apache.hadoop.io.ObjectWritable
 
obtainLock(String, String, boolean) - Method in class org.apache.hadoop.dfs.NameNode
 
offerService() - Method in class org.apache.hadoop.dfs.DataNode
Main loop for the DataNode.
offerService() - Method in class org.apache.hadoop.mapred.JobTracker
Run forever
OP_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_BLOCKRECEIVED - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_BLOCKREPORT - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_ABANDONBLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_ABANDONBLOCK_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_ADDBLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_ADDBLOCK_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_COMPLETEFILE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_COMPLETEFILE_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_DATANODE_HINTS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_DATANODE_HINTS_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_DATANODEREPORT - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_DATANODEREPORT_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_DELETE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_DELETE_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_EXISTS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_EXISTS_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_ISDIR - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_ISDIR_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_LISTING - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_LISTING_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_MKDIRS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_MKDIRS_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_OBTAINLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_OBTAINLOCK_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_OPEN - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_OPEN_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RAWSTATS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RAWSTATS_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RELEASELOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RELEASELOCK_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RENAMETO - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RENAMETO_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RENEW_LEASE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_RENEW_LEASE_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_STARTFILE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_STARTFILE_ACK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_CLIENT_TRYAGAIN - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_ERROR - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_FAILURE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_HEARTBEAT - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_INVALIDATE_BLOCKS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_READ_BLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_READSKIP_BLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_TRANSFERBLOCKS - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_TRANSFERDATA - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
OP_WRITE_BLOCK - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
open(String) - Method in class org.apache.hadoop.dfs.NameNode
 
open(File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.open(Path) instead.
open(Path, int) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataInputStream at the indicated Path.
open(Path) - Method in class org.apache.hadoop.fs.FileSystem
Opens an FSDataInputStream at the indicated Path.
openRaw(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
openRaw(Path) - Method in class org.apache.hadoop.fs.FileSystem
Opens an InputStream for the indicated Path, whether local or via DFS.
openRaw(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
OPERATION_FAILED - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
org.apache.hadoop.conf - package org.apache.hadoop.conf
Configuration of system parameters.
org.apache.hadoop.dfs - package org.apache.hadoop.dfs
A distributed implementation of FileSystem.
org.apache.hadoop.examples - package org.apache.hadoop.examples
Hadoop example code.
org.apache.hadoop.fs - package org.apache.hadoop.fs
An abstract file system API.
org.apache.hadoop.io - package org.apache.hadoop.io
Generic i/o code for use when reading and writing data to the network, to databases, and to files.
org.apache.hadoop.io.compress - package org.apache.hadoop.io.compress
 
org.apache.hadoop.ipc - package org.apache.hadoop.ipc
Tools to help define network clients and servers.
org.apache.hadoop.mapred - package org.apache.hadoop.mapred
A system for scalable, fault-tolerant, distributed computation over large data collections.
org.apache.hadoop.mapred.jobcontrol - package org.apache.hadoop.mapred.jobcontrol
Utilities for managing dependent jobs.
org.apache.hadoop.mapred.lib - package org.apache.hadoop.mapred.lib
Library of generally useful mappers, reducers, and partitioners.
org.apache.hadoop.metrics - package org.apache.hadoop.metrics
This package defines an API for reporting performance metric information.
org.apache.hadoop.metrics.file - package org.apache.hadoop.metrics.file
Implementation of the metrics package that writes the metrics to a file.
org.apache.hadoop.metrics.ganglia - package org.apache.hadoop.metrics.ganglia
Implementation of the metrics package that sends metric data to Ganglia.
org.apache.hadoop.metrics.spi - package org.apache.hadoop.metrics.spi
The Service Provider Interface for the Metrics API.
org.apache.hadoop.net - package org.apache.hadoop.net
Network-related classes.
org.apache.hadoop.record - package org.apache.hadoop.record
Hadoop record I/O contains classes and a record description language translator for simplifying serialization and deserialization of records in a language-neutral manner.
org.apache.hadoop.record.compiler - package org.apache.hadoop.record.compiler
This package contains classes needed for code generation from the hadoop record compiler.
org.apache.hadoop.record.compiler.generated - package org.apache.hadoop.record.compiler.generated
This package contains code generated by JavaCC from the Hadoop record syntax file rcc.jj.
org.apache.hadoop.tools - package org.apache.hadoop.tools
 
org.apache.hadoop.util - package org.apache.hadoop.util
Common utilities.
out - Variable in class org.apache.hadoop.io.compress.CompressionOutputStream
The output stream to be compressed.
OutputArchive - Interface in org.apache.hadoop.record
Interface that alll the serializers have to implement.
OutputCollector - Interface in org.apache.hadoop.mapred
Passed to Mapper and Reducer implementations to collect output data.
OutputFormat - Interface in org.apache.hadoop.mapred
An output data format.
OutputFormatBase - Class in org.apache.hadoop.mapred
A base class for OutputFormat.
OutputFormatBase() - Constructor for class org.apache.hadoop.mapred.OutputFormatBase
 
OutputRecord - Class in org.apache.hadoop.metrics.spi
Represents a record of metric data to be sent to a metrics system.

P

parse(String, int) - Static method in class org.apache.hadoop.metrics.spi.Util
Parses a space and/or comma separated sequence of server specifications of the form hostname or hostname:port.
parseArgs(String[], int, Configuration) - Static method in class org.apache.hadoop.fs.FileSystem
Parse the cmd-line args, starting at i.
ParseException - Exception in org.apache.hadoop.record.compiler.generated
This exception is thrown when parse errors are encountered.
ParseException(Token, int[][], String[]) - Constructor for exception org.apache.hadoop.record.compiler.generated.ParseException
This constructor is used by the method "generateParseException" in the generated parser.
ParseException() - Constructor for exception org.apache.hadoop.record.compiler.generated.ParseException
The following constructors are for use by you for whatever purpose you can think of.
ParseException(String) - Constructor for exception org.apache.hadoop.record.compiler.generated.ParseException
 
Partitioner - Interface in org.apache.hadoop.mapred
Partitions the key space.
Path - Class in org.apache.hadoop.fs
Names a file or directory in a FileSystem.
Path(String, String) - Constructor for class org.apache.hadoop.fs.Path
Resolve a child path against a parent path.
Path(Path, String) - Constructor for class org.apache.hadoop.fs.Path
Resolve a child path against a parent path.
Path(String, Path) - Constructor for class org.apache.hadoop.fs.Path
Resolve a child path against a parent path.
Path(Path, Path) - Constructor for class org.apache.hadoop.fs.Path
Resolve a child path against a parent path.
Path(String) - Constructor for class org.apache.hadoop.fs.Path
Construct a path from a String.
PathFilter - Interface in org.apache.hadoop.fs
 
pathToFile(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
Convert a path to a File.
PERIOD_PROPERTY - Static variable in class org.apache.hadoop.metrics.file.FileContext
 
phase() - Method in class org.apache.hadoop.util.Progress
Returns the current sub-node executing.
PiBenchmark - Class in org.apache.hadoop.examples
A Map-reduce program to estimaate the valu eof Pi using monte-carlo method.
PiBenchmark() - Constructor for class org.apache.hadoop.examples.PiBenchmark
 
PiBenchmark.PiMapper - Class in org.apache.hadoop.examples
Mappper class for Pi estimation.
PiBenchmark.PiMapper() - Constructor for class org.apache.hadoop.examples.PiBenchmark.PiMapper
 
PiBenchmark.PiReducer - Class in org.apache.hadoop.examples
 
PiBenchmark.PiReducer() - Constructor for class org.apache.hadoop.examples.PiBenchmark.PiReducer
 
ping(String) - Method in class org.apache.hadoop.mapred.TaskTracker
Child checking to see if we're alive.
pollForNewTask(String) - Method in class org.apache.hadoop.mapred.JobTracker
A tracker wants to know if there's a Task to run.
pollForTaskWithClosedJob(String) - Method in class org.apache.hadoop.mapred.JobTracker
A tracker wants to know if any of its Tasks have been closed (because the job completed, whether successfully or not)
PREP - Static variable in class org.apache.hadoop.mapred.JobStatus
 
prevCharIsCR - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
prevCharIsLF - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
PrintJarMainClass - Class in org.apache.hadoop.util
A micro-application that prints the main class name out of a jar file.
PrintJarMainClass() - Constructor for class org.apache.hadoop.util.PrintJarMainClass
 
ProgramDriver - Class in org.apache.hadoop.util
A driver that is used to run programs added to it
ProgramDriver() - Constructor for class org.apache.hadoop.util.ProgramDriver
 
progress(String, float, String) - Method in class org.apache.hadoop.mapred.TaskTracker
Called periodically to report Task progress, from 0.0 to 1.0.
Progress - Class in org.apache.hadoop.util
Utility to assist with generation of progress reports.
Progress() - Constructor for class org.apache.hadoop.util.Progress
Creates a new root node.
progress() - Method in interface org.apache.hadoop.util.Progressable
callback for reporting progress.
Progressable - Interface in org.apache.hadoop.util
An interface for callbacks when an method makes some progress.

R

RandomWriter - Class in org.apache.hadoop.examples
This program uses map/reduce to just run a distributed job where there is no interaction between the tasks and each task write a large unsorted random binary sequence file of BytesWritable.
RandomWriter() - Constructor for class org.apache.hadoop.examples.RandomWriter
 
RandomWriter.Map - Class in org.apache.hadoop.examples
 
RandomWriter.Map() - Constructor for class org.apache.hadoop.examples.RandomWriter.Map
 
RBRACE_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
Rcc - Class in org.apache.hadoop.record.compiler.generated
 
Rcc(InputStream) - Constructor for class org.apache.hadoop.record.compiler.generated.Rcc
 
Rcc(InputStream, String) - Constructor for class org.apache.hadoop.record.compiler.generated.Rcc
 
Rcc(Reader) - Constructor for class org.apache.hadoop.record.compiler.generated.Rcc
 
Rcc(RccTokenManager) - Constructor for class org.apache.hadoop.record.compiler.generated.Rcc
 
RccConstants - Interface in org.apache.hadoop.record.compiler.generated
 
RccTokenManager - Class in org.apache.hadoop.record.compiler.generated
 
RccTokenManager(SimpleCharStream) - Constructor for class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
RccTokenManager(SimpleCharStream, int) - Constructor for class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
read(byte[], int, int) - Method in class org.apache.hadoop.io.compress.CompressionInputStream
Read bytes from the stream.
read() - Method in class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionInputStream
 
read(byte[], int, int) - Method in class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionInputStream
 
read(DataInput) - Static method in class org.apache.hadoop.io.MD5Hash
Constructs, reads and returns an instance.
read(Record) - Method in class org.apache.hadoop.record.RecordReader
Deserialize a record
READ_TIMEOUT - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
readBool(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
readBool(String) - Method in interface org.apache.hadoop.record.InputArchive
 
readBuffer(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
readBuffer(String) - Method in interface org.apache.hadoop.record.InputArchive
 
readByte(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
readByte(String) - Method in interface org.apache.hadoop.record.InputArchive
 
readChar() - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
readCompressedByteArray(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readCompressedString(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readCompressedStringArray(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readDouble(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
readDouble(String) - Method in interface org.apache.hadoop.record.InputArchive
 
readFields(DataInput) - Method in class org.apache.hadoop.dfs.DatanodeID
 
readFields(DataInput) - Method in class org.apache.hadoop.dfs.DatanodeInfo
 
readFields(DataInput) - Method in class org.apache.hadoop.io.ArrayWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.BooleanWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.BytesWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.CompressedWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.FloatWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.IntWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.LongWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.MD5Hash
 
readFields(DataInput) - Method in class org.apache.hadoop.io.NullWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.ObjectWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.Text
deserialize check if the received bytes are valid utf8 code.
readFields(DataInput) - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
readFields(DataInput) - Method in class org.apache.hadoop.io.UTF8
Deprecated.  
readFields(DataInput) - Method in class org.apache.hadoop.io.VersionedWritable
 
readFields(DataInput) - Method in interface org.apache.hadoop.io.Writable
Reads the fields of this object from in.
readFields(DataInput) - Method in class org.apache.hadoop.mapred.ClusterStatus
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.FileSplit
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.JobStatus
 
readFields(DataInput) - Method in class org.apache.hadoop.mapred.TaskReport
 
readFieldsCompressed(DataInput) - Method in class org.apache.hadoop.io.CompressedWritable
Subclasses implement this instead of CompressedWritable.readFields(DataInput).
readFloat(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Parse a float from a byte array.
readFloat(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
readFloat(String) - Method in interface org.apache.hadoop.record.InputArchive
 
readInt(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Parse an integer from a byte array.
readInt(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
readInt(String) - Method in interface org.apache.hadoop.record.InputArchive
 
readLine(InputStream, OutputStream) - Static method in class org.apache.hadoop.mapred.TextInputFormat
 
readLong(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Parse a long from a byte array.
readLong(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
readLong(String) - Method in interface org.apache.hadoop.record.InputArchive
 
readObject(DataInput, Configuration) - Static method in class org.apache.hadoop.io.ObjectWritable
Read a Writable, String, primitive type, or an array of the preceding.
readObject(DataInput, ObjectWritable, Configuration) - Static method in class org.apache.hadoop.io.ObjectWritable
Read a Writable, String, primitive type, or an array of the preceding.
readRecord(Record, String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
readRecord(Record, String) - Method in interface org.apache.hadoop.record.InputArchive
 
readString(DataInput) - Static method in class org.apache.hadoop.io.Text
Read a UTF8 encoded string from in
readString(DataInput) - Static method in class org.apache.hadoop.io.UTF8
Deprecated. Read a UTF-8 encoded string.
readString(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readString(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
readString(String) - Method in interface org.apache.hadoop.record.InputArchive
 
readStringArray(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
readUnsignedShort(byte[], int) - Static method in class org.apache.hadoop.io.WritableComparator
Parse an unsigned short from a byte array.
readVInt(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
Reads a zero-compressed encoded integer from input stream and returns it.
readVLong(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
Reads a zero-compressed encoded long from input stream and returns it.
READY - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
Record() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
Record - Interface in org.apache.hadoop.record
Interface that is implemented by generated classes.
RECORD_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
RecordList() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
RecordReader - Interface in org.apache.hadoop.mapred
Reads key/value pairs from an input file FileSplit.
RecordReader - Class in org.apache.hadoop.record
Front-end interface to deserializers.
RecordReader(InputStream, String) - Constructor for class org.apache.hadoop.record.RecordReader
Creates a new instance of RecordReader.
RecordWriter - Interface in org.apache.hadoop.mapred
Writes key/value pairs to an output file.
RecordWriter - Class in org.apache.hadoop.record
Front-end for serializers.
RecordWriter(OutputStream, String) - Constructor for class org.apache.hadoop.record.RecordWriter
Creates a new instance of RecordWriter
reduce(WritableComparable, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.examples.NNBench
 
reduce(WritableComparable, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.examples.PiBenchmark.PiReducer
Reduce method.
reduce(WritableComparable, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.examples.RandomWriter
 
reduce(WritableComparable, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.examples.WordCount.Reduce
 
reduce(WritableComparable, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.IdentityReducer
Writes all keys and values directly to output.
reduce(WritableComparable, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.lib.LongSumReducer
 
reduce(WritableComparable, Iterator, OutputCollector, Reporter) - Method in interface org.apache.hadoop.mapred.Reducer
Combines values for a given key.
reduce(WritableComparable, Iterator, OutputCollector, Reporter) - Method in class org.apache.hadoop.util.CopyFiles.CopyFilesReducer
 
reduceProgress() - Method in class org.apache.hadoop.mapred.JobStatus
 
reduceProgress() - Method in interface org.apache.hadoop.mapred.RunningJob
Returns a float between 0.0 and 1.0, indicating progress on the reduce portion of the job.
Reducer - Interface in org.apache.hadoop.mapred
Reduces a set of intermediate values which share a key to a smaller set of values.
ReflectionUtils - Class in org.apache.hadoop.util
General reflection utils
ReflectionUtils() - Constructor for class org.apache.hadoop.util.ReflectionUtils
 
RegexMapper - Class in org.apache.hadoop.mapred.lib
A Mapper that extracts text matching a regular expression.
RegexMapper() - Constructor for class org.apache.hadoop.mapred.lib.RegexMapper
 
register(DatanodeRegistration) - Method in class org.apache.hadoop.dfs.NameNode
 
registerUpdater(Updater) - Method in interface org.apache.hadoop.metrics.MetricsContext
Registers a callback to be called at regular time intervals, as determined by the implementation-class specific configuration.
registerUpdater(Updater) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Registers a callback to be called at time intervals determined by the configuration.
ReInit(InputStream) - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
ReInit(InputStream, String) - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
ReInit(Reader) - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
ReInit(RccTokenManager) - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
ReInit(SimpleCharStream) - Method in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
ReInit(SimpleCharStream, int) - Method in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
ReInit(Reader, int, int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(Reader, int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(Reader) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(InputStream, String, int, int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(InputStream, int, int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(InputStream, String) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(InputStream) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(InputStream, String, int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
ReInit(InputStream, int, int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
release(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
release(File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.release(Path) instead.
release(Path) - Method in class org.apache.hadoop.fs.FileSystem
Release the lock
release(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
releaseLock(String, String) - Method in class org.apache.hadoop.dfs.NameNode
 
remaining - Variable in class org.apache.hadoop.dfs.DatanodeInfo
 
RemoteException - Exception in org.apache.hadoop.ipc
 
RemoteException(String, String) - Constructor for exception org.apache.hadoop.ipc.RemoteException
 
remove() - Method in interface org.apache.hadoop.metrics.MetricsRecord
Removes, from the buffered data table, the row (if it exists) having tags that equal the tags that have been set on this record.
remove(MetricsRecordImpl) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Called by MetricsRecordImpl.remove().
remove() - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Removes the row, if it exists, in the buffered data table having tags that equal the tags that have been set on this record.
remove(MetricsRecordImpl) - Method in class org.apache.hadoop.metrics.spi.NullContext
Do-nothing version of remove
removeAttribute(String) - Method in class org.apache.hadoop.metrics.ContextFactory
Removes the named attribute if it exists.
removeSuffix(String, String) - Static method in class org.apache.hadoop.io.compress.CompressionCodecFactory
Removes a suffix from a filename, if it has it.
rename(String, String) - Method in class org.apache.hadoop.dfs.DFSShell
Rename an DFS file
rename(String, String) - Method in class org.apache.hadoop.dfs.NameNode
 
rename(File, File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.rename(Path, Path) instead.
rename(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
Renames Path src to Path dst.
rename(FileSystem, String, String) - Static method in class org.apache.hadoop.io.MapFile
Renames an existing map directory.
renameRaw(Path, Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
Rename files/dirs
renameRaw(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
Renames Path src to Path dst.
renameRaw(Path, Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
renewLease(String) - Method in class org.apache.hadoop.dfs.NameNode
 
report() - Method in class org.apache.hadoop.dfs.DFSShell
Gives a report on how the FileSystem is doing
report(MetricsRecord, String, long) - Static method in class org.apache.hadoop.metrics.Metrics
Sets the named metric to the specified value in the given metrics record.
reportChecksumFailure(Path, FSInputStream, long, long, int) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
reportChecksumFailure(Path, FSInputStream, long, long, int) - Method in class org.apache.hadoop.fs.FileSystem
Report a checksum error to the file system.
reportChecksumFailure(Path, FSInputStream, long, long, int) - Method in class org.apache.hadoop.fs.LocalFileSystem
Moves files to a bad file directory on the same device, so that their storage will not be reused.
reportDiagnosticInfo(String, String) - Method in class org.apache.hadoop.mapred.TaskTracker
Called when the task dies before completion, and we want to report back diagnostic info
Reporter - Interface in org.apache.hadoop.mapred
Passed to application code to permit alteration of status.
reportTaskTrackerError(String, String, String) - Method in class org.apache.hadoop.mapred.JobTracker
 
reportWrittenBlock(LocatedBlock) - Method in class org.apache.hadoop.dfs.NameNode
The client can report in a set written blocks that it wrote.
reset(byte[], int) - Method in class org.apache.hadoop.io.DataInputBuffer
Resets the data that the buffer reads.
reset(byte[], int, int) - Method in class org.apache.hadoop.io.DataInputBuffer
Resets the data that the buffer reads.
reset() - Method in class org.apache.hadoop.io.DataOutputBuffer
Resets the buffer to empty.
reset() - Method in class org.apache.hadoop.io.MapFile.Reader
Re-positions the reader before its first key.
resetState() - Method in class org.apache.hadoop.io.compress.CompressionInputStream
Reset the compression to the initial state.
resetState() - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
Reset the compression to the initial state.
resetState() - Method in class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionInputStream
 
resetState() - Method in class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionOutputStream
 
resetState() - Method in class org.apache.hadoop.io.compress.GzipCodec.GzipOutputStream
 
resume() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
resume the suspended thread
reverseDns(InetAddress, String) - Static method in class org.apache.hadoop.net.DNS
Returns the hostname associated with the specified IP address by the provided nameserver.
RPC - Class in org.apache.hadoop.ipc
A simple RPC mechanism.
RPC.Server - Class in org.apache.hadoop.ipc
An RPC Server.
RPC.Server(Object, Configuration, int) - Constructor for class org.apache.hadoop.ipc.RPC.Server
Construct an RPC server.
RPC.Server(Object, Configuration, int, int, boolean) - Constructor for class org.apache.hadoop.ipc.RPC.Server
Construct an RPC server.
RPC.VersionMismatch - Exception in org.apache.hadoop.ipc
A version mismatch for the RPC protocol.
RPC.VersionMismatch(String, long, long) - Constructor for exception org.apache.hadoop.ipc.RPC.VersionMismatch
Create a version mismatch exception
run() - Method in class org.apache.hadoop.dfs.DataNode
No matter what kind of exception we get, keep retrying to offerService().
run(Configuration) - Static method in class org.apache.hadoop.dfs.DataNode
Start datanode daemon.
run(String[]) - Method in class org.apache.hadoop.dfs.DFSck
 
run(String[]) - Method in class org.apache.hadoop.dfs.DFSShell
run
run(String[]) - Method in class org.apache.hadoop.mapred.JobClient
 
run() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
The main loop for the thread.
run(RecordReader, OutputCollector, Reporter) - Method in interface org.apache.hadoop.mapred.MapRunnable
Called to execute mapping.
run(RecordReader, OutputCollector, Reporter) - Method in class org.apache.hadoop.mapred.MapRunner
 
run() - Method in class org.apache.hadoop.mapred.TaskTracker
The server retry loop.
run(String[]) - Method in class org.apache.hadoop.util.CopyFiles
This is the main driver for recursively copying directories across file systems.
run(String[]) - Method in interface org.apache.hadoop.util.Tool
execute the command with the given arguments
RunJar - Class in org.apache.hadoop.util
Run a Hadoop job jar.
RunJar() - Constructor for class org.apache.hadoop.util.RunJar
 
runJob(JobConf) - Static method in class org.apache.hadoop.mapred.JobClient
Utility that submits a job, then polls for progress until the job is complete.
RUNLENGTH_ENCODING - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
RUNNING - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
RUNNING - Static variable in class org.apache.hadoop.mapred.JobStatus
 
RunningJob - Interface in org.apache.hadoop.mapred
Includes details on a running MapReduce job.
runningJobs() - Method in class org.apache.hadoop.mapred.JobTracker
 

S

seek(long) - Method in class org.apache.hadoop.fs.FSDataInputStream
 
seek(long) - Method in class org.apache.hadoop.fs.FSInputStream
Seek to the given offset from the start of the file.
seek(long) - Method in interface org.apache.hadoop.fs.Seekable
Seek to the given offset from the start of the file.
seek(long) - Method in class org.apache.hadoop.io.ArrayFile.Reader
Positions the reader before its nth value.
seek(WritableComparable) - Method in class org.apache.hadoop.io.MapFile.Reader
Positions the reader at the named key, or if none such exists, at the first entry after the named key.
seek(long) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Set the current byte position in the input file.
seek(WritableComparable) - Method in class org.apache.hadoop.io.SetFile.Reader
 
seek(long) - Method in class org.apache.hadoop.mapred.SequenceFileRecordReader
 
Seekable - Interface in org.apache.hadoop.fs
Stream that permits seeking.
SEMICOLON_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
sendHeartbeat(DatanodeRegistration, long, long, int, int) - Method in class org.apache.hadoop.dfs.NameNode
Data node notify the name node that it is alive Return a block-oriented command for the datanode to execute.
SEPARATOR - Static variable in class org.apache.hadoop.fs.Path
The directory separator, a slash.
SequenceFile - Class in org.apache.hadoop.io
Support for flat files of binary key/value pairs.
SequenceFile.CompressionType - Enum in org.apache.hadoop.io
The type of compression.
SequenceFile.Reader - Class in org.apache.hadoop.io
Reads key/value pairs from a sequence-format file.
SequenceFile.Reader(FileSystem, String, Configuration) - Constructor for class org.apache.hadoop.io.SequenceFile.Reader
Deprecated. Call SequenceFile.Reader.SequenceFile.Reader(FileSystem,Path,Configuration).
SequenceFile.Reader(FileSystem, Path, Configuration) - Constructor for class org.apache.hadoop.io.SequenceFile.Reader
Open the named file.
SequenceFile.Sorter - Class in org.apache.hadoop.io
Sorts key/value pairs in a sequence-format file.
SequenceFile.Sorter(FileSystem, Class, Class, Configuration) - Constructor for class org.apache.hadoop.io.SequenceFile.Sorter
Sort and merge files containing the named classes.
SequenceFile.Sorter(FileSystem, WritableComparator, Class, Configuration) - Constructor for class org.apache.hadoop.io.SequenceFile.Sorter
Sort and merge using an arbitrary WritableComparator.
SequenceFile.ValueBytes - Interface in org.apache.hadoop.io
The interface to 'raw' values of SequenceFiles.
SequenceFile.Writer - Class in org.apache.hadoop.io
Write key/value pairs to a sequence-format file.
SequenceFile.Writer(FileSystem, String, Class, Class) - Constructor for class org.apache.hadoop.io.SequenceFile.Writer
Deprecated. Call SequenceFile.Writer.SequenceFile.Writer(FileSystem,Path,Class,Class).
SequenceFile.Writer(FileSystem, Path, Class, Class) - Constructor for class org.apache.hadoop.io.SequenceFile.Writer
Deprecated. Call SequenceFile.Writer.SequenceFile.Writer(FileSystem,Configuration,Path,Class,Class).
SequenceFile.Writer(FileSystem, Path, Class, Class, Progressable) - Constructor for class org.apache.hadoop.io.SequenceFile.Writer
Deprecated. Call SequenceFile.Writer.SequenceFile.Writer(FileSystem,Configuration,Path,Class,Class,Progressable).
SequenceFile.Writer(FileSystem, Path, Class, Class, boolean) - Constructor for class org.apache.hadoop.io.SequenceFile.Writer
Deprecated. Call SequenceFile.Writer.SequenceFile.Writer(FileSystem,Configuration,Path,Class,Class).
SequenceFile.Writer(FileSystem, Path, Class, Class, boolean, Progressable) - Constructor for class org.apache.hadoop.io.SequenceFile.Writer
Deprecated. Call SequenceFile.Writer.SequenceFile.Writer(FileSystem,Configuration,Path,Class,Class,Progressable).
SequenceFile.Writer(FileSystem, Configuration, Path, Class, Class) - Constructor for class org.apache.hadoop.io.SequenceFile.Writer
Create the named file.
SequenceFile.Writer(FileSystem, Configuration, Path, Class, Class, Progressable) - Constructor for class org.apache.hadoop.io.SequenceFile.Writer
Create the named file with write-progress reporter.
SequenceFileInputFilter - Class in org.apache.hadoop.mapred
A class that allows a map/red job to work on a sample of sequence files.
SequenceFileInputFilter() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFilter
 
SequenceFileInputFilter.Filter - Interface in org.apache.hadoop.mapred
filter interface
SequenceFileInputFilter.FilterBase - Class in org.apache.hadoop.mapred
base calss for Filters
SequenceFileInputFilter.FilterBase() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFilter.FilterBase
 
SequenceFileInputFilter.MD5Filter - Class in org.apache.hadoop.mapred
This class returns a set of records by examing the MD5 digest of its key against a filtering frequency f.
SequenceFileInputFilter.MD5Filter() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFilter.MD5Filter
 
SequenceFileInputFilter.PercentFilter - Class in org.apache.hadoop.mapred
This class returns a percentage of records The percentage is determined by a filtering frequency f using the criteria record# % f == 0.
SequenceFileInputFilter.PercentFilter() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFilter.PercentFilter
 
SequenceFileInputFilter.RegexFilter - Class in org.apache.hadoop.mapred
Records filter by matching key to regex
SequenceFileInputFilter.RegexFilter() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFilter.RegexFilter
 
SequenceFileInputFormat - Class in org.apache.hadoop.mapred
An InputFormat for SequenceFiles.
SequenceFileInputFormat() - Constructor for class org.apache.hadoop.mapred.SequenceFileInputFormat
 
SequenceFileOutputFormat - Class in org.apache.hadoop.mapred
An OutputFormat that writes SequenceFiles.
SequenceFileOutputFormat() - Constructor for class org.apache.hadoop.mapred.SequenceFileOutputFormat
 
SequenceFileRecordReader - Class in org.apache.hadoop.mapred
An RecordReader for SequenceFiles.
SequenceFileRecordReader(Configuration, FileSplit) - Constructor for class org.apache.hadoop.mapred.SequenceFileRecordReader
 
serialize(OutputArchive, String) - Method in interface org.apache.hadoop.record.Record
 
Server - Class in org.apache.hadoop.ipc
An abstract IPC service.
Server(int, Class, int, Configuration) - Constructor for class org.apache.hadoop.ipc.Server
Constructs a server listening on the named port.
set(String, Object) - Method in class org.apache.hadoop.conf.Configuration
Sets the value of the name property.
set(Writable[]) - Method in class org.apache.hadoop.io.ArrayWritable
 
set(boolean) - Method in class org.apache.hadoop.io.BooleanWritable
Set the value of the BooleanWritable
set(float) - Method in class org.apache.hadoop.io.FloatWritable
Set the value of this FloatWritable.
set(int) - Method in class org.apache.hadoop.io.IntWritable
Set the value of this IntWritable.
set(long) - Method in class org.apache.hadoop.io.LongWritable
Set the value of this LongWritable.
set(MD5Hash) - Method in class org.apache.hadoop.io.MD5Hash
Copy the contents of another instance into this instance.
set(Object) - Method in class org.apache.hadoop.io.ObjectWritable
Reset the instance.
set(String) - Method in class org.apache.hadoop.io.Text
Set to contain the contents of a string.
set(byte[]) - Method in class org.apache.hadoop.io.Text
Set to a utf8 byte array
set(Text) - Method in class org.apache.hadoop.io.Text
copy a text.
set(byte[], int, int) - Method in class org.apache.hadoop.io.Text
Set the Text to range of bytes
set(Writable[][]) - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
set(String) - Method in class org.apache.hadoop.io.UTF8
Deprecated. Set to contain the contents of a string.
set(UTF8) - Method in class org.apache.hadoop.io.UTF8
Deprecated. Set to contain the contents of a string.
set(float) - Method in class org.apache.hadoop.util.Progress
Called during execution on a leaf node to set its progress.
setAttribute(String, Object) - Method in class org.apache.hadoop.mapred.StatusHttpServer
Set a value in the webapp context.
setAttribute(String, Object) - Method in class org.apache.hadoop.metrics.ContextFactory
Sets the named factory attribute to the specified value, creating it if it did not already exist.
setBoolean(String, boolean) - Method in class org.apache.hadoop.conf.Configuration
Sets the value of the name property to an integer.
setCapacity(int) - Method in class org.apache.hadoop.io.BytesWritable
Change the capacity of the backing storage.
setClass(String, Class, Class) - Method in class org.apache.hadoop.conf.Configuration
Sets the value of the name property to the name of a class.
setClassLoader(ClassLoader) - Method in class org.apache.hadoop.conf.Configuration
Set the class loader that will be used to load the various objects.
setCodecClasses(Configuration, List<Class>) - Static method in class org.apache.hadoop.io.compress.CompressionCodecFactory
Sets a list of codec classes in the configuration.
setCombinerClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
 
setCompressionType(Configuration, SequenceFile.CompressionType) - Static method in class org.apache.hadoop.io.SequenceFile
Set the compression type for sequence files.
setCompressMapOutput(boolean) - Method in class org.apache.hadoop.mapred.JobConf
Should the map outputs be compressed before transfer? Uses the SequenceFile compression.
setCompressOutput(JobConf, boolean) - Static method in class org.apache.hadoop.mapred.OutputFormatBase
Set whether the output of the reduce is compressed
setConf(Configuration) - Method in interface org.apache.hadoop.conf.Configurable
Set the configuration to be used by this object.
setConf(Configuration) - Method in class org.apache.hadoop.conf.Configured
 
setConf(Configuration) - Method in class org.apache.hadoop.io.ObjectWritable
 
setConf(Configuration) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.MD5Filter
configure the filter according to configuration
setConf(Configuration) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.PercentFilter
configure the filter by checking the configuration
setConf(Configuration) - Method in class org.apache.hadoop.mapred.SequenceFileInputFilter.RegexFilter
configure the Filter by checking the configuration
setConf(Configuration) - Method in class org.apache.hadoop.tools.Logalyzer.LogComparator
 
setConf(Configuration) - Method in class org.apache.hadoop.util.CopyFiles
 
setConf(Configuration) - Method in class org.apache.hadoop.util.ToolBase
 
setCorruptFiles(long) - Method in class org.apache.hadoop.dfs.DFSck.Result
 
setDebugStream(PrintStream) - Method in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
setDigest(String) - Method in class org.apache.hadoop.io.MD5Hash
Sets the digest value from a hex string.
setFactor(int) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Set the number of streams to merge at once.
setFactory(Class, WritableFactory) - Static method in class org.apache.hadoop.io.WritableFactories
Define a factory for a class.
SetFile - Class in org.apache.hadoop.io
A file-based set of keys.
SetFile() - Constructor for class org.apache.hadoop.io.SetFile
 
SetFile.Reader - Class in org.apache.hadoop.io
Provide access to an existing set file.
SetFile.Reader(FileSystem, String, Configuration) - Constructor for class org.apache.hadoop.io.SetFile.Reader
Construct a set reader for the named set.
SetFile.Reader(FileSystem, String, WritableComparator, Configuration) - Constructor for class org.apache.hadoop.io.SetFile.Reader
Construct a set reader for the named set using the named comparator.
SetFile.Writer - Class in org.apache.hadoop.io
Write a new set file.
SetFile.Writer(FileSystem, String, Class) - Constructor for class org.apache.hadoop.io.SetFile.Writer
Create the named set for keys of the named class.
SetFile.Writer(FileSystem, String, WritableComparator) - Constructor for class org.apache.hadoop.io.SetFile.Writer
Create the named set using the named key comparator.
setFilterClass(Configuration, Class) - Static method in class org.apache.hadoop.mapred.SequenceFileInputFilter
set the filter class
setFrequency(Configuration, int) - Static method in class org.apache.hadoop.mapred.SequenceFileInputFilter.MD5Filter
set the filtering frequency in configuration
setFrequency(Configuration, int) - Static method in class org.apache.hadoop.mapred.SequenceFileInputFilter.PercentFilter
set the frequency and stores it in conf
setIndexInterval(int) - Method in class org.apache.hadoop.io.MapFile.Writer
Sets the index interval.
setInputDir(File) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Call JobConf.setInputPath(Path) instead.
setInputFormat(Class) - Method in class org.apache.hadoop.mapred.JobConf
 
setInputKeyClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Not used
setInputPath(Path) - Method in class org.apache.hadoop.mapred.JobConf
 
setInputValueClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Not used
setInt(String, int) - Method in class org.apache.hadoop.conf.Configuration
Sets the value of the name property to an integer.
setJar(String) - Method in class org.apache.hadoop.mapred.JobConf
 
setJobConf(JobConf) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Set the mapred job conf for this job.
setJobID(String) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Set the job ID for this job.
setJobName(String) - Method in class org.apache.hadoop.mapred.JobConf
Set the user-specified job name.
setJobName(String) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Set the job name for this job.
setKeepFailedTaskFiles(boolean) - Method in class org.apache.hadoop.mapred.JobConf
Set whether the framework shoul keep the intermediate files for failed tasks.
setKeepTaskFilesPattern(String) - Method in class org.apache.hadoop.mapred.JobConf
Set a regular expression for task names that should be kept.
setLong(String, long) - Method in class org.apache.hadoop.conf.Configuration
Sets the value of the name property to a long.
setMapOutputCompressorClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the given class as the compression codec for the map outputs.
setMapOutputKeyClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the key class for the map output data.
setMapOutputValueClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
Set the value class for the map output data.
setMapperClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
 
setMapredJobID(String) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Set the mapred ID for this job.
setMapRunnerClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
 
setMemory(int) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Set the total amount of buffer memory, in bytes.
setMessage(String) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Set the message for this job.
setMetric(String, int) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named metric to the specified value.
setMetric(String, short) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named metric to the specified value.
setMetric(String, byte) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named metric to the specified value.
setMetric(String, float) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named metric to the specified value.
setMetric(String, int) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named metric to the specified value.
setMetric(String, short) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named metric to the specified value.
setMetric(String, byte) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named metric to the specified value.
setMetric(String, float) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named metric to the specified value.
setMinSplitSize(long) - Method in class org.apache.hadoop.mapred.InputFormatBase
 
setMissingSize(long) - Method in class org.apache.hadoop.dfs.DFSck.Result
 
setName(Class, String) - Static method in class org.apache.hadoop.io.WritableName
Set the name that a class should be known as to something other than the class name.
setNumMapTasks(int) - Method in class org.apache.hadoop.mapred.JobConf
 
setNumReduceTasks(int) - Method in class org.apache.hadoop.mapred.JobConf
 
setObject(String, Object) - Method in class org.apache.hadoop.conf.Configuration
Sets the value of the name property.
setOutputCompressorClass(JobConf, Class) - Static method in class org.apache.hadoop.mapred.OutputFormatBase
Set the given class as the output compression codec.
setOutputDir(File) - Method in class org.apache.hadoop.mapred.JobConf
Deprecated. Call JobConf.setOutputPath(Path) instead.
setOutputFormat(Class) - Method in class org.apache.hadoop.mapred.JobConf
 
setOutputKeyClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
 
setOutputKeyComparatorClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
 
setOutputPath(Path) - Method in class org.apache.hadoop.mapred.JobConf
 
setOutputValueClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
 
setOverReplicatedBlocks(long) - Method in class org.apache.hadoop.dfs.DFSck.Result
 
setPartitionerClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
 
setPattern(Configuration, String) - Static method in class org.apache.hadoop.mapred.SequenceFileInputFilter.RegexFilter
Define the filtering regex and stores it in conf
setPeriod(int) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Sets the timer period
setReducerClass(Class) - Method in class org.apache.hadoop.mapred.JobConf
 
setReplication(int) - Method in class org.apache.hadoop.dfs.DFSck.Result
 
setReplication(short, Path, boolean) - Method in class org.apache.hadoop.dfs.DFSShell
Set the replication for the path argument if it's a directory and recursive is true, set replication for all the subdirs and those files too
setReplication(String, short) - Method in class org.apache.hadoop.dfs.NameNode
 
setReplication(Path, short) - Method in class org.apache.hadoop.fs.FileSystem
Set replication for an existing file.
setReplicationRaw(Path, short) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
setReplicationRaw(Path, short) - Method in class org.apache.hadoop.fs.FileSystem
Set replication for an existing file.
setReplicationRaw(Path, short) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
setShowThreadIDs(boolean) - Static method in class org.apache.hadoop.util.LogFormatter
Deprecated. When set true, thread IDs are logged.
setSize(int) - Method in class org.apache.hadoop.io.BytesWritable
Change the size of the buffer.
setSpeculativeExecution(boolean) - Method in class org.apache.hadoop.mapred.JobConf
Turn on or off speculative execution for this job.
setState(int) - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Set the state for this job.
setStatus(String) - Method in interface org.apache.hadoop.mapred.Reporter
Alter the application's status description.
setStatus(String) - Method in class org.apache.hadoop.util.Progress
 
setTabSize(int) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
setTag(String, String) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named tag to the specified value.
setTag(String, int) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named tag to the specified value.
setTag(String, short) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named tag to the specified value.
setTag(String, byte) - Method in interface org.apache.hadoop.metrics.MetricsRecord
Sets the named tag to the specified value.
setTag(String, String) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named tag to the specified value.
setTag(String, int) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named tag to the specified value.
setTag(String, short) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named tag to the specified value.
setTag(String, byte) - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Sets the named tag to the specified value.
setThreads(int, int) - Method in class org.apache.hadoop.mapred.StatusHttpServer
 
setTimeout(int) - Method in class org.apache.hadoop.ipc.Client
Sets the timeout used for network i/o.
setTimeout(int) - Method in class org.apache.hadoop.ipc.Server
Sets the timeout used for network i/o.
setTotalBlocks(long) - Method in class org.apache.hadoop.dfs.DFSck.Result
 
setTotalDirs(long) - Method in class org.apache.hadoop.dfs.DFSck.Result
 
setTotalFiles(long) - Method in class org.apache.hadoop.dfs.DFSck.Result
 
setTotalSize(long) - Method in class org.apache.hadoop.dfs.DFSck.Result
 
setUnderReplicatedBlocks(long) - Method in class org.apache.hadoop.dfs.DFSck.Result
 
setup(Configuration, JobConf, String[], String, boolean) - Method in class org.apache.hadoop.util.CopyFiles.CopyFilesMapper
Interface to initialize *distcp* specific map tasks.
setup(Configuration, JobConf, String[], String, boolean) - Method in class org.apache.hadoop.util.CopyFiles.DFSCopyFilesMapper
Initialize DFSCopyFileMapper specific job-configuration.
setup(Configuration, JobConf, String[], String, boolean) - Method in class org.apache.hadoop.util.CopyFiles.HTTPCopyFilesMapper
Initialize HTTPCopyFileMapper specific job.
setUser(String) - Method in class org.apache.hadoop.mapred.JobConf
Set the reported username for this job.
setValueClass(Class) - Method in class org.apache.hadoop.io.ArrayWritable
 
setWorkingDirectory(Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.FileSystem
Set the current working directory for the given file system.
setWorkingDirectory(Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
Set the working directory to the given directory.
setWorkingDirectory(Path) - Method in class org.apache.hadoop.mapred.JobConf
Set the current working directory for the default file system
showTime(boolean) - Static method in class org.apache.hadoop.util.LogFormatter
Deprecated. When true, time is logged with each entry.
shutdown() - Method in class org.apache.hadoop.dfs.DataNode
Shut down this instance of the datanode.
shutdown() - Method in class org.apache.hadoop.mapred.TaskTracker
 
shutdownAll() - Static method in class org.apache.hadoop.dfs.DataNode
Shut down all datanodes that where started via the run(conf) method.
SimpleCharStream - Class in org.apache.hadoop.record.compiler.generated
An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (without unicode processing).
SimpleCharStream(Reader, int, int, int) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(Reader, int, int) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(Reader) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(InputStream, String, int, int, int) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(InputStream, int, int, int) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(InputStream, String, int, int) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(InputStream, int, int) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(InputStream, String) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
SimpleCharStream(InputStream) - Constructor for class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
simpleHostname(String) - Static method in class org.apache.hadoop.util.StringUtils
Given a full hostname, return the word upto the first dot.
skip(long) - Method in class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionInputStream
 
skip(DataInput) - Static method in class org.apache.hadoop.io.Text
Skips over one Text in the input.
skip(DataInput) - Static method in class org.apache.hadoop.io.UTF8
Deprecated. Skips over one UTF8 in the input.
skipCompressedByteArray(DataInput) - Static method in class org.apache.hadoop.io.WritableUtils
 
Sort - Class in org.apache.hadoop.examples
This is the trivial map/reduce program that does absolutely nothing other than use the framework to fragment and sort the input values.
Sort() - Constructor for class org.apache.hadoop.examples.Sort
 
sort(Path[], Path, boolean) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
Perform a file sort from a set of input files into an output file.
sort(Path, Path) - Method in class org.apache.hadoop.io.SequenceFile.Sorter
The backwards compatible interface to sort.
specialConstructor - Variable in exception org.apache.hadoop.record.compiler.generated.ParseException
This variable determines which constructor was used to create this object and thereby affects the semantics of the "getMessage" method (see below).
specialToken - Variable in class org.apache.hadoop.record.compiler.generated.Token
This field is used to access special tokens that occur prior to this token, but after the immediately preceding regular (non-special) token.
start() - Method in class org.apache.hadoop.ipc.Server
Starts the service.
start() - Method in class org.apache.hadoop.mapred.StatusHttpServer
Start the server.
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
startLocalOutput(File, File) - Method in class org.apache.hadoop.fs.FileSystem
Deprecated. Call FileSystem.startLocalOutput(Path, Path) instead.
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.FileSystem
Returns a local File that the user can write output to.
startLocalOutput(Path, Path) - Method in class org.apache.hadoop.fs.LocalFileSystem
 
startMap(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
startMap(TreeMap, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
startMap(TreeMap, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
startMap(String) - Method in interface org.apache.hadoop.record.InputArchive
 
startMap(TreeMap, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
startMonitoring() - Method in class org.apache.hadoop.metrics.file.FileContext
Starts or restarts monitoring, by opening in append-mode, the file specified by the fileName attribute, if specified.
startMonitoring() - Method in interface org.apache.hadoop.metrics.MetricsContext
Starts or restarts monitoring, the emitting of metrics records as they are updated.
startMonitoring() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Starts or restarts monitoring, the emitting of metrics records.
startMonitoring() - Method in class org.apache.hadoop.metrics.spi.NullContext
Do-nothing version of startMonitoring
startNextPhase() - Method in class org.apache.hadoop.util.Progress
Called during execution to move to the next phase at this level in the tree.
startRecord(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
startRecord(Record, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
startRecord(Record, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
startRecord(String) - Method in interface org.apache.hadoop.record.InputArchive
 
startRecord(Record, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
startTracker(Configuration) - Static method in class org.apache.hadoop.mapred.JobTracker
 
startVector(String) - Method in class org.apache.hadoop.record.BinaryInputArchive
 
startVector(ArrayList, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
startVector(ArrayList, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
startVector(String) - Method in interface org.apache.hadoop.record.InputArchive
 
startVector(ArrayList, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
stateChangeLog - Static variable in class org.apache.hadoop.dfs.NameNode
 
staticFlag - Static variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
StatusHttpServer - Class in org.apache.hadoop.mapred
Create a Jetty embedded server to answer http requests.
StatusHttpServer(String, int, boolean) - Constructor for class org.apache.hadoop.mapred.StatusHttpServer
Create a status server on the given port.
STILL_WAITING - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
stop() - Method in class org.apache.hadoop.dfs.NameNode
Stop all NameNode threads and wait for all to finish.
stop() - Method in class org.apache.hadoop.ipc.Client
Stop all threads related to this client.
stop() - Method in class org.apache.hadoop.ipc.Server
Stops the service.
stop() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
set the thread state to STOPPING so that the thread will stop when it wakes up.
stop() - Method in class org.apache.hadoop.mapred.StatusHttpServer
stop the server
stopClient() - Static method in class org.apache.hadoop.ipc.RPC
Stop all RPC client connections
stopMonitoring() - Method in class org.apache.hadoop.metrics.file.FileContext
Stops monitoring, closing the file.
stopMonitoring() - Method in interface org.apache.hadoop.metrics.MetricsContext
Stops monitoring.
stopMonitoring() - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Stops monitoring.
stopTracker() - Static method in class org.apache.hadoop.mapred.JobTracker
 
storageID - Variable in class org.apache.hadoop.dfs.DatanodeID
 
streamBlockInAscii(InetSocketAddress, long, long, long, long, JspWriter) - Method in class org.apache.hadoop.dfs.JspHelper
 
StreamFile - Class in org.apache.hadoop.dfs
 
StreamFile() - Constructor for class org.apache.hadoop.dfs.StreamFile
 
stringifyException(Throwable) - Static method in class org.apache.hadoop.util.StringUtils
Make a string representation of the exception.
StringUtils - Class in org.apache.hadoop.util
General string utils
StringUtils() - Constructor for class org.apache.hadoop.util.StringUtils
 
submit() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
Submit this job to mapred.
submitJob(String) - Method in class org.apache.hadoop.mapred.JobClient
Submit a job to the MR system
submitJob(JobConf) - Method in class org.apache.hadoop.mapred.JobClient
Submit a job to the MR system
submitJob(String) - Method in class org.apache.hadoop.mapred.JobTracker
JobTracker.submitJob() kicks off a new job.
SUCCEEDED - Static variable in class org.apache.hadoop.mapred.JobStatus
 
SUCCESS - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
suffix(String) - Method in class org.apache.hadoop.fs.Path
Adds a suffix to a the final name in the path.
suspend() - Method in class org.apache.hadoop.mapred.jobcontrol.JobControl
suspend the running thread
SwitchTo(int) - Method in class org.apache.hadoop.record.compiler.generated.RccTokenManager
 
sync(long) - Method in class org.apache.hadoop.io.SequenceFile.Reader
Seek to the next sync mark past a given position.
SYNC_INTERVAL - Static variable in class org.apache.hadoop.io.SequenceFile
The number of bytes between sync points.
syncSeen() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns true iff the previous call to next passed a sync mark.

T

tabSize - Variable in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
TaskReport - Class in org.apache.hadoop.mapred
A report on the state of a task.
TaskReport() - Constructor for class org.apache.hadoop.mapred.TaskReport
 
TaskTracker - Class in org.apache.hadoop.mapred
TaskTracker is a process that starts and tracks MR Tasks in a networked environment.
TaskTracker(JobConf) - Constructor for class org.apache.hadoop.mapred.TaskTracker
Start with the local machine name, and the default JobTracker
TaskTracker.Child - Class in org.apache.hadoop.mapred
The main() for child processes.
TaskTracker.Child() - Constructor for class org.apache.hadoop.mapred.TaskTracker.Child
 
taskTrackers() - Method in class org.apache.hadoop.mapred.JobTracker
 
Text - Class in org.apache.hadoop.io
This class stores text using standard UTF8 encoding.
Text() - Constructor for class org.apache.hadoop.io.Text
 
Text(String) - Constructor for class org.apache.hadoop.io.Text
Construct from a string.
Text(Text) - Constructor for class org.apache.hadoop.io.Text
Construct from another text.
Text(byte[]) - Constructor for class org.apache.hadoop.io.Text
Construct from a byte array.
Text.Comparator - Class in org.apache.hadoop.io
A WritableComparator optimized for Text keys.
Text.Comparator() - Constructor for class org.apache.hadoop.io.Text.Comparator
 
TextInputFormat - Class in org.apache.hadoop.mapred
An InputFormat for plain text files.
TextInputFormat() - Constructor for class org.apache.hadoop.mapred.TextInputFormat
 
TextInputFormat.LineRecordReader - Class in org.apache.hadoop.mapred
 
TextInputFormat.LineRecordReader(InputStream, long, long) - Constructor for class org.apache.hadoop.mapred.TextInputFormat.LineRecordReader
 
TextOutputFormat - Class in org.apache.hadoop.mapred
An OutputFormat that writes plain text files.
TextOutputFormat() - Constructor for class org.apache.hadoop.mapred.TextOutputFormat
 
TextOutputFormat.LineRecordWriter - Class in org.apache.hadoop.mapred
 
TextOutputFormat.LineRecordWriter(DataOutputStream) - Constructor for class org.apache.hadoop.mapred.TextOutputFormat.LineRecordWriter
 
toArray() - Method in class org.apache.hadoop.io.ArrayWritable
 
toArray() - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
token - Variable in class org.apache.hadoop.record.compiler.generated.Rcc
 
Token - Class in org.apache.hadoop.record.compiler.generated
Describes the input token stream.
Token() - Constructor for class org.apache.hadoop.record.compiler.generated.Token
 
token_source - Variable in class org.apache.hadoop.record.compiler.generated.Rcc
 
TokenCountMapper - Class in org.apache.hadoop.mapred.lib
A Mapper that maps text values into pairs.
TokenCountMapper() - Constructor for class org.apache.hadoop.mapred.lib.TokenCountMapper
 
tokenImage - Variable in exception org.apache.hadoop.record.compiler.generated.ParseException
This is a reference to the "tokenImage" array of the generated parser within which the parse error occurred.
tokenImage - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
TokenMgrError - Error in org.apache.hadoop.record.compiler.generated
 
TokenMgrError() - Constructor for error org.apache.hadoop.record.compiler.generated.TokenMgrError
 
TokenMgrError(String, int) - Constructor for error org.apache.hadoop.record.compiler.generated.TokenMgrError
 
TokenMgrError(boolean, int, int, int, String, char, int) - Constructor for error org.apache.hadoop.record.compiler.generated.TokenMgrError
 
Tool - Interface in org.apache.hadoop.util
A tool interface that support generic options handling
ToolBase - Class in org.apache.hadoop.util
This is a base class to support generic commonad options.
ToolBase() - Constructor for class org.apache.hadoop.util.ToolBase
 
toString() - Method in class org.apache.hadoop.conf.Configuration
 
toString() - Method in class org.apache.hadoop.dfs.DataNode
 
toString() - Method in class org.apache.hadoop.dfs.DatanodeID
 
toString() - Method in class org.apache.hadoop.dfs.DataNodeReport
Deprecated.  
toString() - Method in class org.apache.hadoop.dfs.DFSck.Result
 
toString() - Method in class org.apache.hadoop.dfs.DistributedFileSystem
 
toString() - Method in class org.apache.hadoop.fs.DF
 
toString() - Method in class org.apache.hadoop.fs.LocalFileSystem
 
toString() - Method in class org.apache.hadoop.fs.Path
 
toString() - Method in class org.apache.hadoop.io.compress.CompressionCodecFactory
Print the extension map out as a string.
toString() - Method in class org.apache.hadoop.io.FloatWritable
 
toString() - Method in class org.apache.hadoop.io.IntWritable
 
toString() - Method in class org.apache.hadoop.io.LongWritable
 
toString() - Method in class org.apache.hadoop.io.MD5Hash
Returns a string representation of this object.
toString() - Method in class org.apache.hadoop.io.SequenceFile.Reader
Returns the name of the file.
toString() - Method in class org.apache.hadoop.io.Text
Convert text back to string
toString() - Method in class org.apache.hadoop.io.UTF8
Deprecated. Convert to a String.
toString() - Method in exception org.apache.hadoop.io.VersionMismatchException
Returns a string representation of this object.
toString() - Method in class org.apache.hadoop.mapred.FileSplit
 
toString() - Method in class org.apache.hadoop.mapred.jobcontrol.Job
 
toString() - Method in class org.apache.hadoop.record.compiler.generated.Token
Returns the image.
toString() - Method in class org.apache.hadoop.util.Progress
 
toStrings() - Method in class org.apache.hadoop.io.ArrayWritable
 
TwoDArrayWritable - Class in org.apache.hadoop.io
A Writable for 2D arrays containing a matrix of instances of a class.
TwoDArrayWritable(Class) - Constructor for class org.apache.hadoop.io.TwoDArrayWritable
 
TwoDArrayWritable(Class, Writable[][]) - Constructor for class org.apache.hadoop.io.TwoDArrayWritable
 
Type() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 

U

unJar(File, File) - Static method in class org.apache.hadoop.util.RunJar
Unpack a jar file into a directory.
unregisterUpdater(Updater) - Method in interface org.apache.hadoop.metrics.MetricsContext
Removes a callback, if it exists.
unregisterUpdater(Updater) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Removes a callback, if it exists.
update() - Method in interface org.apache.hadoop.metrics.MetricsRecord
Updates the table of buffered data which is to be sent periodically.
update(MetricsRecordImpl) - Method in class org.apache.hadoop.metrics.spi.AbstractMetricsContext
Called by MetricsRecordImpl.update().
update() - Method in class org.apache.hadoop.metrics.spi.MetricsRecordImpl
Updates the table of buffered data which is to be sent periodically.
update(MetricsRecordImpl) - Method in class org.apache.hadoop.metrics.spi.NullContext
Do-nothing version of update
UpdateLineColumn(char) - Method in class org.apache.hadoop.record.compiler.generated.SimpleCharStream
 
Updater - Interface in org.apache.hadoop.metrics
Call-back interface.
USTRING_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
UTF8 - Class in org.apache.hadoop.io
Deprecated. replaced by Text
UTF8() - Constructor for class org.apache.hadoop.io.UTF8
Deprecated.  
UTF8(String) - Constructor for class org.apache.hadoop.io.UTF8
Deprecated. Construct from a given string.
UTF8(UTF8) - Constructor for class org.apache.hadoop.io.UTF8
Deprecated. Construct from a given string.
UTF8.Comparator - Class in org.apache.hadoop.io
Deprecated. A WritableComparator optimized for UTF8 keys.
UTF8.Comparator() - Constructor for class org.apache.hadoop.io.UTF8.Comparator
Deprecated.  
utf8Length(String) - Static method in class org.apache.hadoop.io.Text
For the given string, returns the number of UTF-8 bytes required to encode the string.
Util - Class in org.apache.hadoop.metrics.spi
Static utility methods
Utils - Class in org.apache.hadoop.record
Various utility functions for Hadooop record I/O runtime.

V

validateUTF8(byte[]) - Static method in class org.apache.hadoop.io.Text
Check if a byte array contains valid utf-8
validateUTF8(byte[], int, int) - Static method in class org.apache.hadoop.io.Text
Check to see if a byte array is valid utf-8
valueOf(String) - Static method in enum org.apache.hadoop.io.SequenceFile.CompressionType
Returns the enum constant of this type with the specified name.
values() - Static method in enum org.apache.hadoop.io.SequenceFile.CompressionType
Returns an array containing the constants of this enum type, in the order they're declared.
Vector() - Method in class org.apache.hadoop.record.compiler.generated.Rcc
 
VECTOR_TKN - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
verifyRequest(DatanodeRegistration) - Method in class org.apache.hadoop.dfs.NameNode
Verify request.
verifyVersion(int) - Method in class org.apache.hadoop.dfs.NameNode
Verify version.
VersionedProtocol - Interface in org.apache.hadoop.ipc
Superclass of all protocols that use Hadoop RPC.
VersionedWritable - Class in org.apache.hadoop.io
A base class for Writables that provides version checking.
VersionedWritable() - Constructor for class org.apache.hadoop.io.VersionedWritable
 
VersionMismatchException - Exception in org.apache.hadoop.io
Thrown by VersionedWritable.readFields(DataInput) when the version of an object being read does not match the current implementation version as returned by VersionedWritable.getVersion().
VersionMismatchException(byte, byte) - Constructor for exception org.apache.hadoop.io.VersionMismatchException
 

W

waitForCompletion() - Method in interface org.apache.hadoop.mapred.RunningJob
Blocks until the job is complete.
waitForProxy(Class, long, InetSocketAddress, Configuration) - Static method in class org.apache.hadoop.ipc.RPC
 
WAITING - Static variable in class org.apache.hadoop.mapred.jobcontrol.Job
 
WithinMultiLineComment - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
WithinOneLineComment - Static variable in interface org.apache.hadoop.record.compiler.generated.RccConstants
 
WordCount - Class in org.apache.hadoop.examples
This is an example Hadoop Map/Reduce application.
WordCount() - Constructor for class org.apache.hadoop.examples.WordCount
 
WordCount.MapClass - Class in org.apache.hadoop.examples
Counts the words in each line.
WordCount.MapClass() - Constructor for class org.apache.hadoop.examples.WordCount.MapClass
 
WordCount.Reduce - Class in org.apache.hadoop.examples
A reducer class that just emits the sum of the input values.
WordCount.Reduce() - Constructor for class org.apache.hadoop.examples.WordCount.Reduce
 
Writable - Interface in org.apache.hadoop.io
A simple, efficient, serialization protocol, based on DataInput and DataOutput.
WritableComparable - Interface in org.apache.hadoop.io
An interface which extends both Writable and Comparable.
WritableComparator - Class in org.apache.hadoop.io
A Comparator for WritableComparables.
WritableComparator(Class) - Constructor for class org.apache.hadoop.io.WritableComparator
Construct for a WritableComparable implementation.
WritableFactories - Class in org.apache.hadoop.io
Factories for non-public writables.
WritableFactory - Interface in org.apache.hadoop.io
A factory for a class of Writable.
WritableName - Class in org.apache.hadoop.io
Utility to permit renaming of Writable implementation classes without invalidiating files that contain their class name.
WritableUtils - Class in org.apache.hadoop.io
 
WritableUtils() - Constructor for class org.apache.hadoop.io.WritableUtils
 
write(OutputStream) - Method in class org.apache.hadoop.conf.Configuration
Writes non-default properties in this configuration.
write(DataOutput) - Method in class org.apache.hadoop.dfs.DatanodeID
 
write(DataOutput) - Method in class org.apache.hadoop.dfs.DatanodeInfo
 
write(DataOutput) - Method in class org.apache.hadoop.io.ArrayWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.BooleanWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.BytesWritable
 
write(byte[], int, int) - Method in class org.apache.hadoop.io.compress.CompressionOutputStream
Write compressed bytes to the stream.
write(int) - Method in class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionOutputStream
 
write(byte[], int, int) - Method in class org.apache.hadoop.io.compress.DefaultCodec.DefaultCompressionOutputStream
 
write(DataOutput) - Method in class org.apache.hadoop.io.CompressedWritable
 
write(DataInput, int) - Method in class org.apache.hadoop.io.DataOutputBuffer
Writes bytes from a DataInput directly into the buffer.
write(DataOutput) - Method in class org.apache.hadoop.io.FloatWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.IntWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.LongWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.MD5Hash
 
write(DataOutput) - Method in class org.apache.hadoop.io.NullWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.ObjectWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.Text
serialize write this object to out length uses zero-compressed encoding
write(DataOutput) - Method in class org.apache.hadoop.io.TwoDArrayWritable
 
write(DataOutput) - Method in class org.apache.hadoop.io.UTF8
Deprecated.  
write(DataOutput) - Method in class org.apache.hadoop.io.VersionedWritable
 
write(DataOutput) - Method in interface org.apache.hadoop.io.Writable
Writes the fields of this object to out.
write(DataOutput) - Method in class org.apache.hadoop.mapred.ClusterStatus
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.FileSplit
 
write(DataOutput) - Method in class org.apache.hadoop.mapred.JobStatus
 
write(WritableComparable, Writable) - Method in interface org.apache.hadoop.mapred.RecordWriter
Writes a key/value pair.
write(DataOutput) - Method in class org.apache.hadoop.mapred.TaskReport
 
write(WritableComparable, Writable) - Method in class org.apache.hadoop.mapred.TextOutputFormat.LineRecordWriter
 
write(Record) - Method in class org.apache.hadoop.record.RecordWriter
Serialize a record
WRITE_COMPLETE - Static variable in interface org.apache.hadoop.dfs.FSConstants
 
writeBool(boolean, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
writeBool(boolean, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
writeBool(boolean, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
writeBuffer(ByteArrayOutputStream, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
writeBuffer(ByteArrayOutputStream, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
writeBuffer(ByteArrayOutputStream, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
writeByte(byte, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
writeByte(byte, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
writeByte(byte, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
writeCompressed(DataOutput) - Method in class org.apache.hadoop.io.CompressedWritable
Subclasses implement this instead of CompressedWritable.write(DataOutput).
writeCompressedByteArray(DataOutput, byte[]) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeCompressedBytes(DataOutputStream) - Method in interface org.apache.hadoop.io.SequenceFile.ValueBytes
Write compressed bytes to outStream.
writeCompressedString(DataOutput, String) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeCompressedStringArray(DataOutput, String[]) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeDouble(double, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
writeDouble(double, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
writeDouble(double, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
writeFloat(float, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
writeFloat(float, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
writeFloat(float, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
writeInt(int, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
writeInt(int, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
writeInt(int, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
writeLong(long, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
writeLong(long, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
writeLong(long, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
writeObject(DataOutput, Object, Class, Configuration) - Static method in class org.apache.hadoop.io.ObjectWritable
Write a Writable, String, primitive type, or an array of the preceding.
writeRecord(Record, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
writeRecord(Record, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
writeRecord(Record, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
writeString(DataOutput, String) - Static method in class org.apache.hadoop.io.Text
Write a UTF8 encoded string to out
writeString(DataOutput, String) - Static method in class org.apache.hadoop.io.UTF8
Deprecated. Write a UTF-8 encoded string.
writeString(DataOutput, String) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeString(Text, String) - Method in class org.apache.hadoop.record.BinaryOutputArchive
 
writeString(Text, String) - Method in class org.apache.hadoop.record.CsvOutputArchive
 
writeString(Text, String) - Method in interface org.apache.hadoop.record.OutputArchive
 
writeStringArray(DataOutput, String[]) - Static method in class org.apache.hadoop.io.WritableUtils
 
writeUncompressedBytes(DataOutputStream) - Method in interface org.apache.hadoop.io.SequenceFile.ValueBytes
Writes the uncompressed bytes to the outStream.
writeVInt(DataOutput, int) - Static method in class org.apache.hadoop.io.WritableUtils
Serializes an integer to a binary stream with zero-compressed encoding.
writeVLong(DataOutput, long) - Static method in class org.apache.hadoop.io.WritableUtils
Serializes a long to a binary stream with zero-compressed encoding.

X

xceiverCount - Variable in class org.apache.hadoop.dfs.DatanodeInfo
 

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Copyright © 2006 The Apache Software Foundation