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Posted to yarn-issues@hadoop.apache.org by "fanshilun (Jira)" <ji...@apache.org> on 2022/08/15 23:05:00 UTC

[jira] [Assigned] (YARN-8980) Mapreduce application container start fail after AM restart.

     [ https://issues.apache.org/jira/browse/YARN-8980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

fanshilun reassigned YARN-8980:
-------------------------------

    Assignee: fanshilun

> Mapreduce application container start  fail after AM restart.
> -------------------------------------------------------------
>
>                 Key: YARN-8980
>                 URL: https://issues.apache.org/jira/browse/YARN-8980
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Bibin Chundatt
>            Assignee: fanshilun
>            Priority: Major
>
> UAM to subclusters are always launched with keepContainers.
> On AM restart scenarios , UAM register again with RM . UAM receive running containers with NMToken. NMToken received by UAM in getPreviousAttemptContainersNMToken is never used by mapreduce application.  
> Federation Interceptor should take care of such scenarios too. Merge NMToken received at registration to allocate response.
> Container allocation response on same node will have NMToken empty.
> issue credits : [~Nallasivan]
>  



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