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Posted to yarn-issues@hadoop.apache.org by "Steven Rand (Jira)" <ji...@apache.org> on 2019/09/20 06:08:00 UTC

[jira] [Commented] (YARN-9848) revert YARN-4946

    [ https://issues.apache.org/jira/browse/YARN-9848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16934095#comment-16934095 ] 

Steven Rand commented on YARN-9848:
-----------------------------------

Attached a patch which reverts YARN-4946 on trunk. The revert applied cleanly to the logic in {{RMAppManager}}, but had several conflicts in {{TestAppManager}}.

Tagging [~ccondit], [~wangda], [~rkanter], [~snemeth]

> revert YARN-4946
> ----------------
>
>                 Key: YARN-9848
>                 URL: https://issues.apache.org/jira/browse/YARN-9848
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: log-aggregation, resourcemanager
>            Reporter: Steven Rand
>            Priority: Major
>         Attachments: YARN-9848-01.patch
>
>
> In YARN-4946, we've been discussing a revert due to the potential for keeping more applications in the state store than desired, and the potential to greatly increase RM recovery times.
>  
> I'm in favor of reverting the patch, but other ideas along the lines of YARN-9571 would work as well.



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