Uses of Interface org.apache.hadoop.mapred.JobConfigurable (Hadoop 1.2.1 API)
Date: 2013-07-22

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

Packages that use JobConfigurable
org.apache.hadoop.contrib.index.example |
org.apache.hadoop.contrib.index.mapred |
org.apache.hadoop.contrib.utils.join |
org.apache.hadoop.examples | Hadoop example code.
org.apache.hadoop.examples.dancing | This package is a distributed implementation of Knuth's dancing links algorithm that can run under Hadoop.
org.apache.hadoop.examples.terasort | This package consists of 3 map/reduce applications for Hadoop to compete in the annual terabyte sort competition.
org.apache.hadoop.mapred | A software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) parallelly on large clusters (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant manner.
org.apache.hadoop.mapred.lib | Library of generally useful mappers, reducers, and partitioners.
org.apache.hadoop.mapred.lib.aggregate | Classes for performing various counting and aggregations.
org.apache.hadoop.mapred.lib.db | org.apache.hadoop.mapred.lib.db Package
org.apache.hadoop.streaming | `Hadoop Streaming` is a utility which allows users to create and run Map-Reduce jobs with any executables (e.g.

Uses of JobConfigurable in org.apache.hadoop.contrib.index.example

Classes in org.apache.hadoop.contrib.index.example that implement JobConfigurable
`class` | `IdentityLocalAnalysis` Identity local analysis maps inputs directly into outputs.
`class` | `LineDocLocalAnalysis` Convert LineDocTextAndOp to DocumentAndOp as required by ILocalAnalysis.

Uses of JobConfigurable in org.apache.hadoop.contrib.index.mapred

Subinterfaces of JobConfigurable in org.apache.hadoop.contrib.index.mapred
`interface` | `ILocalAnalysis<K extends WritableComparable,V extends Writable>` Application specific local analysis.

Classes in org.apache.hadoop.contrib.index.mapred that implement JobConfigurable
`class` | `IndexUpdateCombiner` This combiner combines multiple intermediate forms into one intermediate form.
`class` | `IndexUpdateMapper<K extends WritableComparable,V extends Writable>` This class applies local analysis on a key-value pair and then convert the result docid-operation pair to a shard-and-intermediate form pair.
`class` | `IndexUpdatePartitioner` This partitioner class puts the values of the same key - in this case the same shard - in the same partition.
`class` | `IndexUpdateReducer` This reducer applies to a shard the changes for it.

Uses of JobConfigurable in org.apache.hadoop.contrib.utils.join

Classes in org.apache.hadoop.contrib.utils.join that implement JobConfigurable
`class` | `DataJoinMapperBase` This abstract class serves as the base class for the mapper class of a data join job.
`class` | `DataJoinReducerBase` This abstract class serves as the base class for the reducer class of a data join job.
`class` | `JobBase` A common base implementing some statics collecting mechanisms that are commonly used in a typical map/reduce job.

Uses of JobConfigurable in org.apache.hadoop.examples

Classes in org.apache.hadoop.examples that implement JobConfigurable
`static class` | `MultiFileWordCount.MapClass` This Mapper is similar to the one in `MultiFileWordCount.MapClass`.
`static class` | `PiEstimator.PiMapper` Mapper class for Pi estimation.
`static class` | `PiEstimator.PiReducer` Reducer class for Pi estimation.
`class` | `SleepJob` Dummy class for testing MR framefork.

Uses of JobConfigurable in org.apache.hadoop.examples.dancing

Classes in org.apache.hadoop.examples.dancing that implement JobConfigurable
`static class` | `DistributedPentomino.PentMap` Each map takes a line, which represents a prefix move and finds all of the solutions that start with that prefix.

Uses of JobConfigurable in org.apache.hadoop.examples.terasort

Classes in org.apache.hadoop.examples.terasort that implement JobConfigurable
`static class` | `TeraGen.SortGenMapper` The Mapper class that given a row number, will generate the appropriate output line.

Uses of JobConfigurable in org.apache.hadoop.mapred

Subinterfaces of JobConfigurable in org.apache.hadoop.mapred
`interface` | `Mapper<K1,V1,K2,V2>` Maps input key/value pairs to a set of intermediate key/value pairs.
`interface` | `MapRunnable<K1,V1,K2,V2>` Expert: Generic interface for `Mapper`s.
`interface` | `Partitioner<K2,V2>` Partitions the key space.
`interface` | `Reducer<K2,V2,K3,V3>` 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` | `KeyValueTextInputFormat` An `InputFormat` for plain text files.
`class` | `MapReduceBase` Base class for `Mapper` and `Reducer` implementations.
`class` | `MapRunner<K1,V1,K2,V2>` 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` | `BinaryPartitioner<V>` Partition `BinaryComparable` keys using a configurable part of the bytes array returned by `BinaryComparable.getBytes()`.
`class` | `ChainMapper` The ChainMapper class allows to use multiple Mapper classes within a single Map task.
`class` | `ChainReducer` The ChainReducer class allows to chain multiple Mapper classes after a Reducer within the Reducer task.
`class` | `DelegatingMapper<K1,V1,K2,V2>` An `Mapper` that delegates behaviour of paths to multiple other mappers.
`class` | `FieldSelectionMapReduce<K,V>` This class implements a mapper/reducer class that can be used to perform field selections in a manner similar to unix cut.
`class` | `HashPartitioner<K2,V2>` Partition keys by their `Object.hashCode()`.
`class` | `IdentityMapper<K,V>` Implements the identity function, mapping inputs directly to outputs.
`class` | `IdentityReducer<K,V>` Performs no reduction, writing all input values directly to the output.
`class` | `InverseMapper<K,V>` A `Mapper` that swaps keys and values.
`class` | `KeyFieldBasedComparator<K,V>` This comparator implementation provides a subset of the features provided by the Unix/GNU Sort.
`class` | `KeyFieldBasedPartitioner<K2,V2>` Defines a way to partition keys based on certain key fields (also see `KeyFieldBasedComparator`.
`class` | `LongSumReducer<K>` A `Reducer` that sums long values.
`class` | `MultithreadedMapRunner<K1,V1,K2,V2>` Multithreaded implementation for @link org.apache.hadoop.mapred.MapRunnable.
`class` | `NLineInputFormat` NLineInputFormat which splits N lines of input as one split.
`class` | `RegexMapper<K>` A `Mapper` that extracts text matching a regular expression.
`class` | `TokenCountMapper<K>` A `Mapper` that maps text values into pairs.
`class` | `TotalOrderPartitioner<K extends WritableComparable,V>` Partitioner effecting a total order by reading split points from an externally generated source.

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

Classes in org.apache.hadoop.mapred.lib.aggregate that implement JobConfigurable
`class` | `ValueAggregatorCombiner<K1 extends WritableComparable,V1 extends Writable>` This class implements the generic combiner of Aggregate.
`class` | `ValueAggregatorJobBase<K1 extends WritableComparable,V1 extends Writable>` This abstract class implements some common functionalities of the the generic mapper, reducer and combiner classes of Aggregate.
`class` | `ValueAggregatorMapper<K1 extends WritableComparable,V1 extends Writable>` This class implements the generic mapper of Aggregate.
`class` | `ValueAggregatorReducer<K1 extends WritableComparable,V1 extends Writable>` This class implements the generic reducer of Aggregate.

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

Classes in org.apache.hadoop.mapred.lib.db that implement JobConfigurable
`class` | `DBInputFormat<T extends DBWritable>` A InputFormat that reads input data from an SQL table.

Uses of JobConfigurable in org.apache.hadoop.streaming

Classes in org.apache.hadoop.streaming that implement JobConfigurable
`class` | `PipeCombiner`
`class` | `PipeMapper` A generic Mapper bridge.
`class` | `PipeMapRunner<K1,V1,K2,V2>`
`class` | `PipeReducer` A generic Reducer bridge.
`class` | `StreamInputFormat` An input format that selects a RecordReader based on a JobConf property.

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