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https://issues.apache.org/jira/browse/MAPREDUCE-2961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13100996#comment-13100996
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Arun C Murthy commented on MAPREDUCE-2961:
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Vinod, what heuristic do you have in mind?
> Increase the default threadpool size for container launching in the
> application master.
> ---------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-2961
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2961
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Mahadev konar
> Assignee: Mahadev konar
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2961.patch
>
>
> Currently the default threadpool size is 10 for launching containers in
> ContainerLauncherImpl. We should increase that to 100 for a reasonable
> default, so that container launching is not backed up by a small thread pool
> size.
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