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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13742) Expose "NumOpenConnectionsPerUser" as a metric
Date Thu, 17 Nov 2016 15:18:58 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15673968#comment-15673968
] 

Kihwal Lee commented on HADOOP-13742:
-------------------------------------

bq. That's a good idea and may be required to for detailed analysis about each user's usage.
In simple terms there could be separate instances of RpcDetailedMetrics for each user, Just
an Idea. I feel this could be done in a follow-up jira and detailed discussions could be made.
I didn't mean to suggest per-user RpcDetailedMetrics. I meant per-user connection metrics
with cumulative counts. But the instantaneous numbers are fine as well. 

One minor thing in the latest patch is the new code in the test.  {{server}} needs to be {{final}},
if you want this patch to go beyond trunk. 

> Expose "NumOpenConnectionsPerUser" as a metric
> ----------------------------------------------
>
>                 Key: HADOOP-13742
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13742
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>         Attachments: HADOOP-13742-002.patch, HADOOP-13742-003.patch, HADOOP-13742-004.patch,
HADOOP-13742-005.patch, HADOOP-13742.patch
>
>
> To track user level connections( How many connections for each user) in busy cluster
where so many connections to server.



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