Sergey Shelukhin created HIVE-5634:
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Summary: use ReduceSinkOperator when outputting for client-side
reducer
Key: HIVE-5634
URL: https://issues.apache.org/jira/browse/HIVE-5634
Project: Hive
Issue Type: Improvement
Reporter: Sergey Shelukhin
See HIVE-4002.
We can replace OutputCollector in ReduceSink to output to say a sequence file.
Then instead of fetching file output written by file sinks in map tasks, the
client-side reducer can fetch reducer output via some simple task and work the
same way as normal reducer.
It can also take advantage of additional ReduceSink functionality.
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