org.apache.tez.mapreduce.combine

Class MRCombiner

java.lang.Object

org.apache.tez.mapreduce.combine.MRCombiner

All Implemented Interfaces:

org.apache.tez.runtime.library.common.combine.Combiner

@InterfaceAudience.Public
public class MRCombiner
extends Object
implements org.apache.tez.runtime.library.common.combine.Combiner

Implements a Map Reduce compatible combiner

Constructor Summary

Constructors

Constructor and Description
MRCombiner(org.apache.tez.runtime.api.TaskContext taskContext)

Method Summary

Modifier and Type	Method and Description
void	combine(org.apache.tez.runtime.library.common.sort.impl.TezRawKeyValueIterator rawIter, org.apache.tez.runtime.library.common.sort.impl.IFile.Writer writer)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MRCombiner

public MRCombiner(org.apache.tez.runtime.api.TaskContext taskContext)
           throws IOException

Throws:

IOException

Method Detail

combine

public void combine(org.apache.tez.runtime.library.common.sort.impl.TezRawKeyValueIterator rawIter,
                    org.apache.tez.runtime.library.common.sort.impl.IFile.Writer writer)
             throws InterruptedException,
                    IOException

Specified by:

combine in interface org.apache.tez.runtime.library.common.combine.Combiner

Throws:

InterruptedException

IOException