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From "zhihai xu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-433) When RM is catching up with node updates then it should not expire acquired containers
Date Tue, 28 Jul 2015 19:17:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14644877#comment-14644877
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zhihai xu commented on YARN-433:
--------------------------------

Thanks for the new patch [~xgong]!
There is a check style issue at 
./hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMNodeTransitions.java:221:

But looking at the change, this check style issue is already there without the change. So
it is not related to your patch.
+1 for the latest patch.

> When RM is catching up with node updates then it should not expire acquired containers
> --------------------------------------------------------------------------------------
>
>                 Key: YARN-433
>                 URL: https://issues.apache.org/jira/browse/YARN-433
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Bikas Saha
>            Assignee: Xuan Gong
>         Attachments: YARN-433.1.patch, YARN-433.2.patch, YARN-433.3.patch, YARN-433.4.patch
>
>
> RM expires containers that are not launched within some time of being allocated. The
default is 10mins. When an RM is not keeping up with node updates then it may not be aware
of new launched containers. If the expire thread fires for such containers then the RM can
expire them even though they may have launched.



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