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https://issues.apache.org/jira/browse/YARN-562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639914#comment-13639914
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Vinod Kumar Vavilapalli commented on YARN-562:
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Looking at the patch for final review/commit.
> NM should reject containers allocated by previous RM
> ----------------------------------------------------
>
> Key: YARN-562
> URL: https://issues.apache.org/jira/browse/YARN-562
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Jian He
> Assignee: Jian He
> Attachments: YARN-562.1.patch, YARN-562.2.patch, YARN-562.3.patch,
> YARN-562.4.patch, YARN-562.5.patch, YARN-562.6.patch, YARN-562.7.patch,
> YARN-562.8.patch, YARN-562.9.patch
>
>
> Its possible that after RM shutdown, before AM goes down,AM still call
> startContainer on NM with containers allocated by previous RM. When RM comes
> back, NM doesn't know whether this container launch request comes from
> previous RM or the current RM. we should reject containers allocated by
> previous RM
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