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From "Krishna Kishore Bonagiri (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-541) getAllocatedContainers() is not returning all the allocated containers
Date Fri, 03 May 2013 10:14:16 GMT

    [ https://issues.apache.org/jira/browse/YARN-541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13648300#comment-13648300
] 

Krishna Kishore Bonagiri commented on YARN-541:
-----------------------------------------------

Hi Hitesh,

  I am very curious to know if you could reproduce and resolve this issue.

Thanks,
Kishore


On Tue, Apr 16, 2013 at 1:35 PM, Krishna Kishore Bonagiri <


                
> getAllocatedContainers() is not returning all the allocated containers
> ----------------------------------------------------------------------
>
>                 Key: YARN-541
>                 URL: https://issues.apache.org/jira/browse/YARN-541
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.0.3-alpha
>         Environment: Redhat Linux 64-bit
>            Reporter: Krishna Kishore Bonagiri
>         Attachments: AppMaster.stdout, yarn-dsadm-nodemanager-isredeng.out, yarn-dsadm-resourcemanager-isredeng.out
>
>
> I am running an application that was written and working well with the hadoop-2.0.0-alpha
but when I am running the same against 2.0.3-alpha, the getAllocatedContainers() method called
on AMResponse is not returning all the containers allocated sometimes. For example, I request
for 10 containers and this method gives me only 9 containers sometimes, and when I looked
at the log of Resource Manager, the 10th container is also allocated. It happens only sometimes
randomly and works fine all other times. If I send one more request for the remaining container
to RM after it failed to give them the first time(and before releasing already acquired ones),
it could allocate that container. I am running only one application at a time, but 1000s of
them one after another.
> My main worry is, even though the RM's log is saying that all 10 requested containers
are allocated,  the getAllocatedContainers() method is not returning me all of them, it returned
only 9 surprisingly. I never saw this kind of issue in the previous version, i.e. hadoop-2.0.0-alpha.
> Thanks,
> Kishore
>  

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