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https://issues.apache.org/jira/browse/TEZ-2687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14705970#comment-14705970
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Bikas Saha commented on TEZ-2687:
---------------------------------

Minor typo - +    LOG.info("Realease held containers");
Minor array list could be given initial size - +    List<Object> tasks = new 
ArrayList<Object>();

Rest looks good. +1. Not sure this needs to go all the way to 0.5

> ATS History shutdown happens before the min-held containers are released
> ------------------------------------------------------------------------
>
>                 Key: TEZ-2687
>                 URL: https://issues.apache.org/jira/browse/TEZ-2687
>             Project: Apache Tez
>          Issue Type: Bug
>    Affects Versions: 0.6.2, 0.8.0, 0.7.1
>            Reporter: Gopal V
>            Assignee: Jeff Zhang
>         Attachments: TEZ-2687-1.patch, TEZ-2687-2.patch, TEZ-2687-3.patch
>
>
> When ATS goes into a GC pause under heavy loads and while it recovers, each 
> Tez AM holds onto a few containers even though it is shutting down and will 
> never accept any more DAGs.



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