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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8820) Enable RPC Congestion control by default
Date Tue, 28 Jul 2015 21:36:05 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8820?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arpit Agarwal updated HDFS-8820:
--------------------------------
    Attachment: HDFS-8820.01.patch

Add a new configuration key to simplify controlling RPC backoff for NN ports. The setting
is on by default.

> Enable RPC Congestion control by default
> ----------------------------------------
>
>                 Key: HDFS-8820
>                 URL: https://issues.apache.org/jira/browse/HDFS-8820
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>         Attachments: HDFS-8820.01.patch
>
>
> 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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