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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2925) Internal fields in LeafQueue access should be protected when accessed from FiCaSchedulerApp to calculate Headroom
Date Thu, 09 Apr 2015 22:13:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-2925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14488386#comment-14488386
] 

Hadoop QA commented on YARN-2925:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12685465/YARN-2925.1.patch
  against trunk revision af9d4fe.

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-YARN-Build/7282//console

This message is automatically generated.

> Internal fields in LeafQueue access should be protected when accessed from FiCaSchedulerApp
to calculate Headroom
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2925
>                 URL: https://issues.apache.org/jira/browse/YARN-2925
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>            Priority: Critical
>         Attachments: YARN-2925.1.patch
>
>
> Upon YARN-2644, FiCaScheduler will calculation up-to-date headroom before sending back
Allocation response to AM.
> Headroom calculation is happened in LeafQueue side, uses fields like used resource, etc.
But it is not protected by any lock of LeafQueue, so it might be corrupted is someone else
is editing it.



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