Out of Memory error in reduce shuffling phase when compression is turned on
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Key: HADOOP-4915
URL: https://issues.apache.org/jira/browse/HADOOP-4915
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Affects Versions: 0.17.2
Reporter: Zheng Shao
mapred.compress.map.output is set to true, and the job has 6860 mappers and 300
reducers.
Several reducers failed because:out of memory error in the shuffling phase.
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