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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4494) Recover completed apps asynchronously
Date Tue, 22 Dec 2015 16:42:46 GMT

    [ https://issues.apache.org/jira/browse/YARN-4494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15068377#comment-15068377

Sunil G commented on YARN-4494:

Thanks [~hex108] for filing this. It will speed up the recovery.
For the specific scenario mentioned here, I feel a fast recovery is better than blocking the
entire client call. We are not sure how much time it may take for recovery of completed apps.
So an on-demand fast recovery looks a good option, provided we will  keep some cache information
that these fast-recovered apps which are  not to be recovered again.

> 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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