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


@InterfaceStability.Unstable
@InterfaceAudience.LimitedPrivate(value="mapreduce")
public interface Combiner

Combiner Initialization

The Combiner class is picked up using the TEZ_RUNTIME_COMBINER_CLASS attribute in TezJobConfig Partitioners need to provide a single argument (TezRawKeyValueIterator) constructor.


Method Summary
 void combine(TezRawKeyValueIterator rawIter, IFile.Writer writer)
           
 

Method Detail

combine

void combine(TezRawKeyValueIterator rawIter,
             IFile.Writer writer)
             throws InterruptedException,
                    IOException
Throws:
InterruptedException
IOException


Copyright © 2014 Apache Software Foundation. All rights reserved.