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Date: Mon, 14 Dec 2015 10:12:46 +0000 (UTC)
From: "Varun Vasudev (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.12920787.1449760708000.13106.1450087966667@Atlassian.JIRA>
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 <JIRA.12920787.1449760708407@arcas>
Subject: [jira] [Commented] (YARN-4441) Kill application request from the
 webservice(ui) is showing success even for the finished applications
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    [ https://issues.apache.org/jira/browse/YARN-4441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15055747#comment-15055747 ] 

Varun Vasudev commented on YARN-4441:
-------------------------------------

That's a performance optimization for the RPC client - it avoids a RPC round trip. There's nothing stopping you from writing a YARN client without that check. The equivalent to the CLI code you posted would be to grey out the button on the web UI if the application is finished(which is a patch I'd be ok with).

> Kill application request from the webservice(ui) is showing success even for the finished applications
> ------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-4441
>                 URL: https://issues.apache.org/jira/browse/YARN-4441
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Mohammad Shahid Khan
>            Assignee: Mohammad Shahid Khan
>
> If the application is already finished ie either failled, killed, or succeded
> the kill operation should not be logged as success. 


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