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From "Robert Kanter (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-7401) Reduce lock contention in ClusterNodeTracker#getClusterCapacity()
Date Tue, 07 Nov 2017 22:17:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16243020#comment-16243020
] 

Robert Kanter edited comment on YARN-7401 at 11/7/17 10:16 PM:
---------------------------------------------------------------

+1  thanks


was (Author: rkanter):
+1

> Reduce lock contention in ClusterNodeTracker#getClusterCapacity()
> -----------------------------------------------------------------
>
>                 Key: YARN-7401
>                 URL: https://issues.apache.org/jira/browse/YARN-7401
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 3.1.0
>            Reporter: Daniel Templeton
>            Assignee: Daniel Templeton
>         Attachments: YARN-7401.001.patch, YARN-7401.002.patch
>
>
> Profiling the code shows massive latency in {{ClusterNodeTracker.getClusterCapacity()}}
on getting the lock.



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