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

Packages that use RawKeyValueIterator
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.mapreduce.task   
 

Uses of RawKeyValueIterator in org.apache.hadoop.mapred
 

Classes in org.apache.hadoop.mapred that implement RawKeyValueIterator
protected  class MapTask.MapOutputBuffer.MRResultIterator
           
 

Methods in org.apache.hadoop.mapred that return RawKeyValueIterator
 RawKeyValueIterator ReduceTask.ReduceCopier.createKVIterator()
          Create a RawKeyValueIterator from copied map outputs.
 RawKeyValueIterator ShuffleConsumerPlugin.createKVIterator()
          To create a key-value iterator to read the merged output.
 

Methods in org.apache.hadoop.mapred with parameters of type RawKeyValueIterator
abstract  void Task.CombinerRunner.combine(RawKeyValueIterator iterator, OutputCollector<K,V> collector)
          Run the combiner over a set of inputs.
 void Task.OldCombinerRunner.combine(RawKeyValueIterator kvIter, OutputCollector<K,V> combineCollector)
           
 void Task.NewCombinerRunner.combine(RawKeyValueIterator iterator, OutputCollector<K,V> collector)
           
protected static
<INKEY,INVALUE,OUTKEY,OUTVALUE>
Reducer.Context
Task.createReduceContext(Reducer<INKEY,INVALUE,OUTKEY,OUTVALUE> reducer, org.apache.hadoop.conf.Configuration job, TaskAttemptID taskId, RawKeyValueIterator rIter, Counter inputKeyCounter, Counter inputValueCounter, RecordWriter<OUTKEY,OUTVALUE> output, OutputCommitter committer, StatusReporter reporter, org.apache.hadoop.io.RawComparator<INKEY> comparator, java.lang.Class<INKEY> keyClass, java.lang.Class<INVALUE> valueClass)
           
 

Constructors in org.apache.hadoop.mapred with parameters of type RawKeyValueIterator
Task.CombineValuesIterator(RawKeyValueIterator in, org.apache.hadoop.io.RawComparator<KEY> comparator, java.lang.Class<KEY> keyClass, java.lang.Class<VALUE> valClass, org.apache.hadoop.conf.Configuration conf, Reporter reporter, Counters.Counter combineInputCounter)
           
 

Uses of RawKeyValueIterator in org.apache.hadoop.mapreduce.task
 

Constructors in org.apache.hadoop.mapreduce.task with parameters of type RawKeyValueIterator
ReduceContextImpl(org.apache.hadoop.conf.Configuration conf, TaskAttemptID taskid, RawKeyValueIterator input, Counter inputKeyCounter, Counter inputValueCounter, RecordWriter<KEYOUT,VALUEOUT> output, OutputCommitter committer, StatusReporter reporter, org.apache.hadoop.io.RawComparator<KEYIN> comparator, java.lang.Class<KEYIN> keyClass, java.lang.Class<VALUEIN> valueClass)
           
 



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