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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4494) Recover completed apps asynchronously
Date Tue, 22 Dec 2015 05:15:46 GMT

    [ https://issues.apache.org/jira/browse/YARN-4494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15067567#comment-15067567
] 

Rohith Sharma K S commented on YARN-4494:
-----------------------------------------

+1 for the idea. It really helps faster RM service availability. We see in our test cluster
takes around 15 or more seconds to make RM service up when state store has completed apps
around 100K apps. 
Best way to make service up faster is configure less max-completed apps and use Timeline Server
to store history data.

> 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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