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java.lang.Objectorg.apache.hadoop.mapred.Task.CombinerRunner<K,V>
org.apache.hadoop.mapred.Task.NewCombinerRunner<K,V>
protected static class Task.NewCombinerRunner<K,V>
Field Summary |
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Fields inherited from class org.apache.hadoop.mapred.Task.CombinerRunner |
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inputCounter, job, reporter |
Method Summary | |
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void |
combine(RawKeyValueIterator iterator,
OutputCollector<K,V> collector)
Run the combiner over a set of inputs. |
Methods inherited from class org.apache.hadoop.mapred.Task.CombinerRunner |
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create |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public void combine(RawKeyValueIterator iterator, OutputCollector<K,V> collector) throws java.io.IOException, java.lang.InterruptedException, java.lang.ClassNotFoundException
Task.CombinerRunner
combine
in class Task.CombinerRunner<K,V>
iterator
- the key/value pairs to use as inputcollector
- the output collector
java.io.IOException
java.lang.InterruptedException
java.lang.ClassNotFoundException
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