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https://issues.apache.org/jira/browse/YARN-3231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siqi Li updated YARN-3231:
--------------------------
    Description: 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.

> 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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