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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6920) fix TestNMClient failure due to YARN-6706
Date Tue, 01 Aug 2017 23:57:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16110009#comment-16110009
] 

Arun Suresh commented on YARN-6920:
-----------------------------------

Actually, let me take over this [~haibochen], if you don't mind.
On further investigation, it looks like the actual issue is due to the fact that during container
re-initialization, the container resources which should have been reclaimed by the ContainerScheduler
before re-launching the re-initialized container, was never re-claimed - which resulted in
a resource leak.
This was not happening earlier either, but due to the fact that prior to YARN-6706, if maxOppQueueLength
== 0, we never even used to perform a resource availability check, the ContainerManager test-cases
used to pass :)
Will post the fix shortly along with some additional assertions.  

> fix TestNMClient failure due to YARN-6706
> -----------------------------------------
>
>                 Key: YARN-6920
>                 URL: https://issues.apache.org/jira/browse/YARN-6920
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Arun Suresh
>            Assignee: Haibo Chen
>
> Looks like {{TestNMClient}} has been failing for a while. Opening this JIRA to track
the fix.



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