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Date: Tue, 22 Dec 2015 06:10:46 +0000 (UTC)
From: "Jun Gong (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.12923436.1450707621000.90028.1450764646656@Atlassian.JIRA>
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 <JIRA.12923436.1450707621831@arcas>
Subject: [jira] [Commented] (YARN-4494) Recover completed apps
 asynchronously
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    [ https://issues.apache.org/jira/browse/YARN-4494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15067599#comment-15067599 ] 

Jun Gong commented on YARN-4494:
--------------------------------

Thanks for the all suggestions. 

[~Naganarasimha] I plan to keep completed apps in a map and recover them asynchronously after recovering apps which are not yet completed, it is same as the solution 2 which you mentioned. IMO solution 1 is more complex than it.

[~templedf] It is really a good question. I did not notice the problem when I created the issue, because I thought it was not a big problem. I prefer the method that forces immediate recovery of that app or block until it's recovered, because it will make no changes to the behaviors for client.

> 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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