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java.lang.Objectorg.apache.hadoop.examples.AggregateWordHistogram
public class AggregateWordHistogram
This is an example Aggregated Hadoop Map/Reduce application. Computes the histogram of the words in the input texts. To run: bin/hadoop jar hadoop-*-examples.jar aggregatewordhist in-dir out-dir numOfReducers textinputformat
Nested Class Summary | |
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static class |
AggregateWordHistogram.AggregateWordHistogramPlugin
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Constructor Summary | |
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AggregateWordHistogram()
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Method Summary | |
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static void |
main(java.lang.String[] args)
The main driver for word count map/reduce program. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public AggregateWordHistogram()
Method Detail |
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public static void main(java.lang.String[] args) throws java.io.IOException
java.io.IOException
- When there is communication problems with the job tracker.
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