Uses of Interface
org.apache.hadoop.mapred.JobConfigurable

Packages that use JobConfigurable
org.apache.hadoop.benchmarks.mapred   
org.apache.hadoop.examples Hadoop example code. 
org.apache.hadoop.mapred A system for scalable, fault-tolerant, distributed computation over large data collections. 
org.apache.hadoop.mapred.lib Library of generally useful mappers, reducers, and partitioners. 
org.apache.hadoop.streaming   
org.apache.hadoop.tools   
org.apache.hadoop.util Common utilities. 
 

Uses of JobConfigurable in org.apache.hadoop.benchmarks.mapred
 

Classes in org.apache.hadoop.benchmarks.mapred that implement JobConfigurable
 class BenchmarkMapper
          takes inpt format as text lines, runs some processing on it and writes out data as text again.
 class BenchmarkReducer
           
 

Uses of JobConfigurable in org.apache.hadoop.examples
 

Classes in org.apache.hadoop.examples that implement JobConfigurable
static class PiEstimator.PiMapper
          Mappper class for Pi estimation.
static class PiEstimator.PiReducer
           
 class RandomWriter
          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.
static class RandomWriter.Map
           
static class WordCount.MapClass
          Counts the words in each line.
static class WordCount.Reduce
          A reducer class that just emits the sum of the input values.
 

Uses of JobConfigurable in org.apache.hadoop.mapred
 

Subinterfaces of JobConfigurable in org.apache.hadoop.mapred
 interface Mapper
          Maps input key/value pairs to a set of intermediate key/value pairs.
 interface MapRunnable
          Expert: Permits greater control of map processing.
 interface Partitioner
          Partitions the key space.
 interface Reducer
          Reduces a set of intermediate values which share a key to a smaller set of values.
 

Classes in org.apache.hadoop.mapred that implement JobConfigurable
 class MapReduceBase
          Base class for Mapper and Reducer implementations.
 class MapRunner
          Default MapRunnable implementation.
 class TextInputFormat
          An InputFormat for plain text files.
 

Uses of JobConfigurable in org.apache.hadoop.mapred.lib
 

Classes in org.apache.hadoop.mapred.lib that implement JobConfigurable
 class HashPartitioner
          Partition keys by their Object.hashCode().
 class IdentityMapper
          Implements the identity function, mapping inputs directly to outputs.
 class IdentityReducer
          Performs no reduction, writing all input values directly to the output.
 class InverseMapper
          A Mapper that swaps keys and values.
 class LongSumReducer
          A Reducer that sums long values.
 class MultithreadedMapRunner
          Multithreaded implementation for @link org.apache.hadoop.mapred.MapRunnable.
 class RegexMapper
          A Mapper that extracts text matching a regular expression.
 class TokenCountMapper
          A Mapper that maps text values into pairs.
 

Uses of JobConfigurable in org.apache.hadoop.streaming
 

Classes in org.apache.hadoop.streaming that implement JobConfigurable
 class PipeCombiner
          A generic Combiner bridge.
To use a Combiner specify -combiner myprogram in hadoopStreaming.
 class PipeMapper
          A generic Mapper bridge.
 class PipeReducer
          A generic Reducer bridge.
 

Uses of JobConfigurable in org.apache.hadoop.tools
 

Classes in org.apache.hadoop.tools that implement JobConfigurable
static class Logalyzer.LogRegexMapper
          A Mapper that extracts text matching a regular expression.
 

Uses of JobConfigurable in org.apache.hadoop.util
 

Classes in org.apache.hadoop.util that implement JobConfigurable
static class CopyFiles.CopyFilesMapper
          Base-class for all mappers for distcp
static class CopyFiles.CopyFilesReducer
           
static class CopyFiles.DFSCopyFilesMapper
          DFSCopyFilesMapper: The mapper for copying files from the DFS.
static class CopyFiles.HTTPCopyFilesMapper
           
 



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