Reduce task copy errors may not kill it eventually
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Key: HADOOP-4246
URL: https://issues.apache.org/jira/browse/HADOOP-4246
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Reporter: Amareshwari Sriramadasu
Assignee: Amareshwari Sriramadasu
Priority: Critical
Fix For: 0.19.0
maxFetchRetriesPerMap in reduce task can be zero some times (when maxMapRunTime
is less than 4 seconds or mapred.reduce.copy.backoff is less than 4). This will
not count reduce task copy errors to kill it eventually.
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