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java.lang.Objectorg.apache.hadoop.examples.pi.DistSum.Machine
org.apache.hadoop.examples.pi.DistSum.ReduceSide
public static class DistSum.ReduceSide
A machine which does computation on the reduce side.
Nested Class Summary | |
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static class |
DistSum.ReduceSide.IndexPartitioner
Use the index for partitioning. |
static class |
DistSum.ReduceSide.PartitionMapper
A Mapper which partitions a summation |
static class |
DistSum.ReduceSide.SummationInputFormat
An InputFormat which returns a single summation. |
static class |
DistSum.ReduceSide.SummingReducer
A Reducer which computes sums |
Nested classes/interfaces inherited from class org.apache.hadoop.examples.pi.DistSum.Machine |
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DistSum.Machine.AbstractInputFormat, DistSum.Machine.SummationSplit |
Constructor Summary | |
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DistSum.ReduceSide()
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Method Summary | |
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void |
init(Job job)
Initialize a job |
Methods inherited from class org.apache.hadoop.examples.pi.DistSum.Machine |
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toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public DistSum.ReduceSide()
Method Detail |
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public void init(Job job)
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