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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-998) Persistent resource change during NM/RM restart
Date Mon, 21 Mar 2016 23:48:25 GMT

    [ https://issues.apache.org/jira/browse/YARN-998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15205383#comment-15205383
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Junping Du commented on YARN-998:
---------------------------------

Thanks [~jianhe] for comments!
bq. should ResourceTrackerService#drConf be volatile?
Nice catch! Will update it.

bq. also, we may add a log in the resourceTrackerService where the resource is override to
assist debugging.
Agree. Will add a debug log.

> Persistent resource change during NM/RM restart
> -----------------------------------------------
>
>                 Key: YARN-998
>                 URL: https://issues.apache.org/jira/browse/YARN-998
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: graceful, nodemanager, scheduler
>            Reporter: Junping Du
>            Assignee: Junping Du
>         Attachments: YARN-998-sample.patch, YARN-998-v1.patch, YARN-998-v2.1.patch, YARN-998-v2.patch
>
>
> When NM is restarted by plan or from a failure, previous dynamic resource setting should
be kept for consistency.



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