Reduce tasks are stuck waiting for map outputs when none are in progress
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Key: HADOOP-5338
URL: https://issues.apache.org/jira/browse/HADOOP-5338
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Affects Versions: 0.20.0
Reporter: Ramya R
Fix For: 0.20.0
When JT is restarted several times, a situation is encountered when the reduce
tasks are stuck forever waiting for map outputs. However 100%map is complete
and none of the map tasks are in progress. The reduce tasks wait infinitely.
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