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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-541) getAllocatedContainers() is not returning all the allocated containers
Date Sun, 14 Jul 2013 13:26:50 GMT

    [ https://issues.apache.org/jira/browse/YARN-541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13708025#comment-13708025
] 

Hudson commented on YARN-541:
-----------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #1487 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1487/])
YARN-541. getAllocatedContainers() is not returning all the allocated containers (bikas) (bikas:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1502906)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/impl/AMRMClientImpl.java

                
> 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
>            Assignee: Bikas Saha
>            Priority: Blocker
>             Fix For: 2.1.0-beta
>
>         Attachments: AppMaster.stdout, YARN-541.1.patch, 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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