ReduceCopier sleeps for a hardcoded interval of 5secs
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Key: HADOOP-5131
URL: https://issues.apache.org/jira/browse/HADOOP-5131
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Affects Versions: 0.20.0
Reporter: Arun C Murthy
Assignee: Arun C Murthy
Currently the ReduceCopier.run has a hard-coded 5s sleep which hurts jobs where
latency is important, we really should have a mechanism where the thread
fetching task-completion events should notify the ReduceCopier.run.
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