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From "Tsuyoshi Ozawa (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TEZ-3128) Avoid stopping containers on the AM shutdown thread
Date Sun, 28 Feb 2016 10:55:18 GMT

    [ https://issues.apache.org/jira/browse/TEZ-3128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15171001#comment-15171001
] 

Tsuyoshi Ozawa commented on TEZ-3128:
-------------------------------------

Thanks [~sseth] and [~jlowe] for the review and pulling it into branch-0.7.

> Avoid stopping containers on the AM shutdown thread
> ---------------------------------------------------
>
>                 Key: TEZ-3128
>                 URL: https://issues.apache.org/jira/browse/TEZ-3128
>             Project: Apache Tez
>          Issue Type: Bug
>    Affects Versions: 0.8.0-alpha
>            Reporter: Siddharth Seth
>            Assignee: Tsuyoshi Ozawa
>              Labels: newbie
>             Fix For: 0.7.1, 0.8.3
>
>         Attachments: TEZ-3128.001.patch, TEZ-3128.002.patch, TEZ-3128.003.patch, TEZ-3128.004.patch,
amJstack
>
>
> During an AM shutdown, the TaskCommunicator is also shutdown and it tries to stop containers
in the shutdown thread itself. This can cause the AM shutdown to block if NMs are not available.
> This likely affects 0.7 as well.



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