Uses of Class
org.apache.hadoop.conf.Configuration

Packages that use Configuration
org.apache.hadoop.conf Configuration of system parameters. 
org.apache.hadoop.dfs A distributed implementation of FileSystem
org.apache.hadoop.fs An abstract file system API. 
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.ipc Tools to help define network clients and servers. 
org.apache.hadoop.mapred A system for scalable, fault-tolerant, distributed computation over large data collections. 
 

Uses of Configuration in org.apache.hadoop.conf
 

Methods in org.apache.hadoop.conf that return Configuration
 Configuration Configured.getConf()
           
 Configuration Configurable.getConf()
          Return the configuration used by this object.
 

Methods in org.apache.hadoop.conf with parameters of type Configuration
 void Configured.setConf(Configuration conf)
           
 void Configurable.setConf(Configuration conf)
          Set the configuration to be used by this object.
 

Constructors in org.apache.hadoop.conf with parameters of type Configuration
Configured(Configuration conf)
          Construct a Configured.
Configuration(Configuration other)
          A new configuration with the same settings cloned from another.
 

Uses of Configuration in org.apache.hadoop.dfs
 

Methods in org.apache.hadoop.dfs with parameters of type Configuration
static void NameNode.format(Configuration conf)
          Format a new filesystem.
static void DataNode.run(Configuration conf)
          Start datanode daemons.
 void DFSShell.copy(String srcf, String dstf, Configuration conf)
          Copy an DFS file
 

Constructors in org.apache.hadoop.dfs with parameters of type Configuration
NameNode(Configuration conf)
          Create a NameNode at the default location
NameNode(File dir, int port, Configuration conf)
          Create a NameNode at the specified location and start it.
DistributedFileSystem(InetSocketAddress namenode, Configuration conf)
          Construct a client for the filesystem at namenode.
DataNode(Configuration conf, String datadir)
          Create the DataNode given a configuration and a dataDir.
DataNode(String machineName, File datadir, InetSocketAddress nameNodeAddr, Configuration conf)
          A DataNode can also be created with configuration information explicitly given.
DFSck(Configuration conf, int fixing, boolean showFiles, boolean showBlocks, boolean showLocations)
          Filesystem checker.
 

Uses of Configuration in org.apache.hadoop.fs
 

Methods in org.apache.hadoop.fs with parameters of type Configuration
static boolean FileUtil.fullyDelete(File dir, Configuration conf)
          Delete a directory and all its contents.
static boolean FileUtil.copyContents(FileSystem fs, File src, File dst, boolean overwrite, Configuration conf)
          Copy a file's contents to a new location.
static void FileUtil.recursiveCopy(FileSystem fs, File src, File dst, Configuration conf)
          Copy a file and/or directory and all its contents (whether data or other files/dirs)
static FileSystem FileSystem.parseArgs(String[] argv, int i, Configuration conf)
          Deprecated. use fs.default.name config option instead
static FileSystem FileSystem.get(Configuration conf)
          Returns the configured filesystem implementation.
static FileSystem FileSystem.getNamed(String name, Configuration conf)
          Returns a named filesystem.
 

Constructors in org.apache.hadoop.fs with parameters of type Configuration
LocalFileSystem(Configuration conf)
          Construct a local filesystem client.
DF(String path, Configuration conf)
           
FSDataOutputStream(FileSystem fs, File file, boolean overwrite, Configuration conf, int bufferSize)
           
FSDataInputStream(FileSystem fs, File file, int bufferSize, Configuration conf)
           
FSDataInputStream(FileSystem fs, File file, Configuration conf)
           
FSDataInputStream(FSInputStream in, Configuration conf)
          Construct without checksums.
FileSystem(Configuration conf)
           
 

Uses of Configuration in org.apache.hadoop.io
 

Methods in org.apache.hadoop.io that return Configuration
 Configuration ObjectWritable.getConf()
           
 

Methods in org.apache.hadoop.io with parameters of type Configuration
static Object ObjectWritable.readObject(DataInput in, Configuration conf)
          Read a Writable, String, primitive type, or an array of the preceding.
static Object ObjectWritable.readObject(DataInput in, ObjectWritable objectWritable, Configuration conf)
          Read a Writable, String, primitive type, or an array of the preceding.
 void ObjectWritable.setConf(Configuration conf)
           
static long MapFile.fix(FileSystem fs, File dir, Class keyClass, Class valueClass, boolean dryrun, Configuration conf)
          This method attempts to fix a corrupt MapFile by re-creating its index.
 

Constructors in org.apache.hadoop.io with parameters of type Configuration
SetFile.Reader(FileSystem fs, String dirName, Configuration conf)
          Construct a set reader for the named set.
SetFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf)
          Construct a set reader for the named set using the named comparator.
SequenceFile.Reader(FileSystem fs, String file, Configuration conf)
          Open the named file.
SequenceFile.Sorter(FileSystem fs, Class keyClass, Class valClass, Configuration conf)
          Sort and merge files containing the named classes.
SequenceFile.Sorter(FileSystem fs, WritableComparator comparator, Class valClass, Configuration conf)
          Sort and merge using an arbitrary WritableComparator.
MapFile.Reader(FileSystem fs, String dirName, Configuration conf)
          Construct a map reader for the named map.
MapFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf)
          Construct a map reader for the named map using the named comparator.
ArrayFile.Reader(FileSystem fs, String file, Configuration conf)
          Construct an array reader for the named file.
 

Uses of Configuration in org.apache.hadoop.ipc
 

Methods in org.apache.hadoop.ipc with parameters of type Configuration
static Object RPC.getProxy(Class protocol, InetSocketAddress addr, Configuration conf)
          Construct a client-side proxy object that implements the named protocol, talking to a server at the named address.
static Object[] RPC.call(Method method, Object[][] params, InetSocketAddress[] addrs, Configuration conf)
          Expert: Make multiple, parallel calls to a set of servers.
static RPC.Server RPC.getServer(Object instance, int port, Configuration conf)
          Construct a server for a protocol implementation instance listening on a port.
static RPC.Server RPC.getServer(Object instance, int port, int numHandlers, boolean verbose, Configuration conf)
          Construct a server for a protocol implementation instance listening on a port.
 

Constructors in org.apache.hadoop.ipc with parameters of type Configuration
RPC.Server(Object instance, Configuration conf, int port)
          Construct an RPC server.
RPC.Server(Object instance, Configuration conf, int port, int numHandlers, boolean verbose)
          Construct an RPC server.
Client(Class valueClass, Configuration conf)
          Construct an IPC client whose values are of the given Writable class.
Server(int port, Class paramClass, int handlerCount, Configuration conf)
          Constructs a server listening on the named port.
 

Uses of Configuration in org.apache.hadoop.mapred
 

Subclasses of Configuration in org.apache.hadoop.mapred
 class JobConf
          A map/reduce job configuration.
 

Methods in org.apache.hadoop.mapred with parameters of type Configuration
static SequenceFile.Reader[] SequenceFileOutputFormat.getReaders(Configuration conf, File dir)
          Open the output generated by this format.
static MapFile.Reader[] MapFileOutputFormat.getReaders(FileSystem fs, File dir, Configuration conf)
          Open the output generated by this format.
static void JobTracker.startTracker(Configuration conf)
           
static InetSocketAddress JobTracker.getAddress(Configuration conf)
           
 

Constructors in org.apache.hadoop.mapred with parameters of type Configuration
SequenceFileRecordReader(Configuration conf, FileSplit split)
           
JobClient(Configuration conf)
          Build a job client, connect to the default job tracker
JobClient(InetSocketAddress jobTrackAddr, Configuration conf)
          Build a job client, connect to the indicated job tracker.
TaskTracker(Configuration conf)
          Start with the local machine name, and the default JobTracker
TaskTracker(InetSocketAddress jobTrackAddr, Configuration conf)
          Start with the local machine name, and the addr of the target JobTracker
JobConf(Configuration conf)
          Construct a map/reduce job configuration.
JobConf(Configuration conf, Class aClass)
          Construct a map/reduce job configuration.
 



Copyright © 2006 The Apache Software Foundation