Package | Description |
---|---|
org.apache.hadoop.mapred.lib.aggregate |
Class and Description |
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ValueAggregator
This interface defines the minimal protocol for value aggregators.
|
ValueAggregatorDescriptor
This interface defines the contract a value aggregator descriptor must
support.
|
ValueAggregatorJobBase
This abstract class implements some common functionalities of the
the generic mapper, reducer and combiner classes of Aggregate.
|
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