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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4494) Recover completed apps asynchronously
Date Mon, 21 Dec 2015 15:11:46 GMT

    [ https://issues.apache.org/jira/browse/YARN-4494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15066536#comment-15066536
] 

Daniel Templeton commented on YARN-4494:
----------------------------------------

Thanks for filing the JIRA, [~hex108]. One reason why the app recovery is synchronous is that
asynchronous recovery can cause the RM to tell a client that a job doesn't exist, when it
really just hasn't been recovered yet, which is an issue even with completed jobs.  How are
you planning to handle that?

> Recover completed apps asynchronously
> -------------------------------------
>
>                 Key: YARN-4494
>                 URL: https://issues.apache.org/jira/browse/YARN-4494
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>            Reporter: Jun Gong
>            Assignee: Jun Gong
>
> With RM HA enabled, when recovering apps, recover completed apps asynchronously.



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