How to use

getCombineCollector

method

in

org.apache.hadoop.mapred.ShuffleConsumerPlugin$Context

protected MergeManager<K, V> createMergeManager(
  ShuffleConsumerPlugin.Context context) {
 return new MergeManagerImpl<K, V>(reduceId, jobConf, context.getLocalFS(),
   context.getLocalDirAllocator(), reporter, context.getCodec(),
   context.getCombinerClass(), context.getCombineCollector(), 
   context.getSpilledRecordsCounter(),
   context.getReduceCombineInputCounter(),
   context.getMergedMapOutputsCounter(), this, context.getMergePhase(),
   context.getMapOutputFile());
}

protected MergeManager<K, V> createMergeManager(
  ShuffleConsumerPlugin.Context context) {
 return new MergeManagerImpl<K, V>(reduceId, jobConf, context.getLocalFS(),
   context.getLocalDirAllocator(), reporter, context.getCodec(),
   context.getCombinerClass(), context.getCombineCollector(), 
   context.getSpilledRecordsCounter(),
   context.getReduceCombineInputCounter(),
   context.getMergedMapOutputsCounter(), this, context.getMergePhase(),
   context.getMapOutputFile());
}

protected MergeManager<K, V> createMergeManager(
  ShuffleConsumerPlugin.Context context) {
 return new MergeManagerImpl<K, V>(reduceId, jobConf, context.getLocalFS(),
   context.getLocalDirAllocator(), reporter, context.getCodec(),
   context.getCombinerClass(), context.getCombineCollector(), 
   context.getSpilledRecordsCounter(),
   context.getReduceCombineInputCounter(),
   context.getMergedMapOutputsCounter(), this, context.getMergePhase(),
   context.getMapOutputFile());
}

protected MergeManager<K, V> createMergeManager(
  ShuffleConsumerPlugin.Context context) {
 return new MergeManagerImpl<K, V>(reduceId, jobConf, context.getLocalFS(),
   context.getLocalDirAllocator(), reporter, context.getCodec(),
   context.getCombinerClass(), context.getCombineCollector(), 
   context.getSpilledRecordsCounter(),
   context.getReduceCombineInputCounter(),
   context.getMergedMapOutputsCounter(), this, context.getMergePhase(),
   context.getMapOutputFile());
}

@Override
public void init(ShuffleConsumerPlugin.Context<K, V> context) {
  // just verify that Context has kept its public interface
 context.getReduceId();
 context.getJobConf();
 context.getLocalFS();
 context.getUmbilical();
 context.getLocalDirAllocator();
 context.getReporter();
 context.getCodec();
 context.getCombinerClass();
 context.getCombineCollector();
 context.getSpilledRecordsCounter();
 context.getReduceCombineInputCounter();
 context.getShuffledMapsCounter();
 context.getReduceShuffleBytes();
 context.getFailedShuffleCounter();
 context.getMergedMapOutputsCounter();
 context.getStatus();
 context.getCopyPhase();
 context.getMergePhase();
 context.getReduceTask();
 context.getMapOutputFile();
}