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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1367) After restart NM should resync with the RM without killing containers
Date Sun, 06 Jul 2014 18:51:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-1367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14053179#comment-14053179
] 

Jian He commented on YARN-1367:
-------------------------------

looks good, +1

> After restart NM should resync with the RM without killing containers
> ---------------------------------------------------------------------
>
>                 Key: YARN-1367
>                 URL: https://issues.apache.org/jira/browse/YARN-1367
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Bikas Saha
>            Assignee: Anubhav Dhoot
>         Attachments: YARN-1367.001.patch, YARN-1367.002.patch, YARN-1367.003.patch, YARN-1367.prototype.patch
>
>
> After RM restart, the RM sends a resync response to NMs that heartbeat to it.  Upon receiving
the resync response, the NM kills all containers and re-registers with the RM. The NM should
be changed to not kill the container and instead inform the RM about all currently running
containers including their allocations etc. After the re-register, the NM should send all
pending container completions to the RM as usual.



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