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https://issues.apache.org/jira/browse/YARN-2561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14136313#comment-14136313
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Junping Du commented on YARN-2561:
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Verified it fix the problem in my local environment.
> 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.patch
>
>
> Work-preserving NM restart is disabled.
> Submit a job. Restart NM with AM running. Job client won't be able to connect
> to new AM attempt and hang with connect retries.
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