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https://issues.apache.org/jira/browse/HADOOP-12250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14631797#comment-14631797
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Arpit Agarwal commented on HADOOP-12250:
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[~mingma], [~chrili], do you have any opinions on this?
> Enable RPC Congestion control by default
> ----------------------------------------
>
> Key: HADOOP-12250
> URL: https://issues.apache.org/jira/browse/HADOOP-12250
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
>
> We propose enabling RPC congestion control introduced by HADOOP-10597 by
> default. We enabled it on a couple of large clusters a few weeks ago and it
> has helped keep the namenodes responsive under load.
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