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https://issues.apache.org/jira/browse/YARN-2561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14137385#comment-14137385
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Jason Lowe commented on YARN-2561:
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Thanks for the patch, Junping! I'm not sure it's best for the RM to examine
its local config for NM recovery and assume the same applies to the remote
nodemanager. I think it would be better if the RM cross-checked the list of
running containers reported in the registration request against what containers
it thinks are running on the node and act accordingly. If the NM doesn't
report a container then we should kill it.
> MR job client cannot reconnect to AM after NM restart.
> ------------------------------------------------------
>
> Key: YARN-2561
> URL: https://issues.apache.org/jira/browse/YARN-2561
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.6.0
> Reporter: Tassapol Athiapinya
> Assignee: Junping Du
> Priority: Blocker
> Attachments: YARN-2561-v2.patch, YARN-2561.patch
>
>
> Work-preserving NM restart is disabled.
> Submit a job. Restart the only NM and found that Job will hang with connect
> retries.
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