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https://issues.apache.org/jira/browse/HDFS-13274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17114880#comment-17114880
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Íñigo Goiri commented on HDFS-13274:
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Thanks [~Symious] for the feedback.
I don't think I've seen this exception.
If I understand correctly, you took HADOOP-13144 which basically allows
multiple connections for a single user and now the NN is overloaded?
Can you post the full stack for the NN and check how many connections the
Routers are doing and how many the NN is getting?
> RBF: Extend RouterRpcClient to use multiple sockets
> ---------------------------------------------------
>
> Key: HDFS-13274
> URL: https://issues.apache.org/jira/browse/HDFS-13274
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: Íñigo Goiri
> Priority: Major
>
> HADOOP-13144 introduces the ability to create multiple connections for the
> same user and use different sockets. The RouterRpcClient should use this
> approach to get a better throughput.
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