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From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3024) LocalizerRunner should give DIE action when all resources are localized
Date Thu, 22 Jan 2015 03:25:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-3024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14286898#comment-14286898

Xuan Gong commented on YARN-3024:

bq. Could you please review the changed logic described in my last comment?
The changed logic looks fine for me. Even if we submit multiple requests before the previous
request is finished, those requests will be queued to process.

So, can we add the test cases to verify this changed behavior ? 

Others are looks good to me.

> LocalizerRunner should give DIE action when all resources are localized
> -----------------------------------------------------------------------
>                 Key: YARN-3024
>                 URL: https://issues.apache.org/jira/browse/YARN-3024
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.6.0
>            Reporter: Chengbing Liu
>            Assignee: Chengbing Liu
>         Attachments: YARN-3024.01.patch, YARN-3024.02.patch, YARN-3024.03.patch
> We have observed that {{LocalizerRunner}} always gives a LIVE action at the end of localization
> The problem is {{findNextResource()}} can return null even when {{pending}} was not empty
prior to the call. This method removes localized resources from {{pending}}, therefore we
should check the return value, and gives DIE action when it returns null.

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