Luke Lu created MAPREDUCE-4400:
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Summary: Fix performance regression for small jobs/workflows
Key: MAPREDUCE-4400
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4400
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: task
Affects Versions: 1.0.3, 0.20.203.0
Reporter: Luke Lu
Assignee: Luke Lu
There is a significant performance regression for small jobs/workflows (vs
0.20.2) in the Hadoop 1.x series. Most noticeable with Hive and Pig jobs.
PigMix has an average 40% regression against 0.20.2.
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