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