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https://issues.apache.org/jira/browse/HDFS-13274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17116900#comment-17116900
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Íñigo Goiri commented on HDFS-13274:
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Would it be possible to post the rest of the ops stats for comparison?
If this is only 0.1% of the ops (as this has been running for 3 months), then
it is not that large.
It would be pretty impressive if I found the root cause right away but it is
unlikely :)
Assuming the issue is renewLease(), I don't have a way to reduce the load of
this... maybe cache it?
What workload is generating so many renews? Hive?
> 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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