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From "Siqi Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3231) FairScheduler changing queueMaxRunningApps on the fly will cause all pending job stuck
Date Thu, 19 Feb 2015 23:28:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-3231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14328312#comment-14328312
] 

Siqi Li commented on YARN-3231:
-------------------------------

The problem seems come from MaxRunningAppsEnforcer, I will upload a patch shortly

> 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
>
> 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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