The way in which ReduceTask/TaskTracker gets completion events during shuffle
can be improved
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Key: HADOOP-3297
URL: https://issues.apache.org/jira/browse/HADOOP-3297
Project: Hadoop Core
Issue Type: Improvement
Components: mapred
Reporter: Devaraj Das
Assignee: Devaraj Das
Fix For: 0.18.0
Certain things like poll frequency, number of events fetched in one go, etc.
This would affect the task->tasktracker and the tasktracker->jobtracker
protocols.
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