merge phase runs out of disk space
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Key: HADOOP-3841
URL: https://issues.apache.org/jira/browse/HADOOP-3841
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Affects Versions: 0.17.1
Reporter: Christian Kunz
We observe that reduce tasks run out of disk space during merging (after
fetching all map output) although there would be enough space if the framework
did not try to generate too large merge files.
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