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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5856) Need return redundant containers to yarn for yarn mode
Date Thu, 06 Jul 2017 10:54:02 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16076355#comment-16076355
] 

ASF GitHub Bot commented on FLINK-5856:
---------------------------------------

Github user shuai-xu commented on the issue:

    https://github.com/apache/flink/pull/3398
  
    @tillrohrmann , sorry to reply late. I will modify it according to your comments in one
week.


> Need return redundant containers to yarn for yarn mode
> ------------------------------------------------------
>
>                 Key: FLINK-5856
>                 URL: https://issues.apache.org/jira/browse/FLINK-5856
>             Project: Flink
>          Issue Type: Bug
>          Components: YARN
>            Reporter: shuai.xu
>            Assignee: shuai.xu
>              Labels: flip-6
>
> In flip6, for flink on yarn mode, RM requests container from yarn according to the requirement
of the JM. But the AMRMClientAsync used in yarn doesn't guarantee that the number of containers
returned exactly equal to the number requested. So it need to record the number request by
flink rm and return the redundant ones to yarn.



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