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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3231) FairScheduler changing queueMaxRunningApps on the fly will cause all pending job stuck
Date Tue, 24 Feb 2015 22:26:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-3231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14335575#comment-14335575
] 

Hadoop QA commented on YARN-3231:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12700592/YARN-3231.v2.patch
  against trunk revision 9a37247.

    {color:red}-1 patch{color}.  Trunk compilation may be broken.

Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6714//console

This message is automatically generated.

> FairScheduler changing queueMaxRunningApps on the fly will cause all pending job stuck
> --------------------------------------------------------------------------------------
>
>                 Key: YARN-3231
>                 URL: https://issues.apache.org/jira/browse/YARN-3231
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Siqi Li
>            Assignee: Siqi Li
>            Priority: Critical
>         Attachments: YARN-3231.v1.patch, YARN-3231.v2.patch
>
>
> When a queue is piling up with a lot of pending jobs due to the maxRunningApps limit.
We want to increase this property on the fly to make some of the pending job active. However,
once we increase the limit, all pending jobs were not assigned any resource, and were stuck
forever.



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