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https://issues.apache.org/jira/browse/HADOOP-3297?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devaraj Das updated HADOOP-3297:
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Status: Patch Available (was: Open)
> The way in which ReduceTask/TaskTracker gets completion events during shuffle
> can be improved
> ---------------------------------------------------------------------------------------------
>
> 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
>
> Attachments: 3297.patch
>
>
> Certain things like poll frequency, number of events fetched in one go, etc.
> can probably be improved to improve the shuffle performance. This would
> affect the task-->tasktracker and the tasktracker-->jobtracker shuffle
> related RPCs.
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