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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3764) CapacityScheduler should forbid moving LeafQueue from one parent to another
Date Thu, 04 Jun 2015 18:04:39 GMT

    [ https://issues.apache.org/jira/browse/YARN-3764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14573276#comment-14573276
] 

Hudson commented on YARN-3764:
------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #7966 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/7966/])
YARN-3764. CapacityScheduler should forbid moving LeafQueue from one parent to another. Contributed
by Wangda Tan (jianhe: rev 6ad4e59cfc111a92747fdb1fb99cc6378044832a)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
* hadoop-yarn-project/CHANGES.txt
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestQueueParsing.java


> CapacityScheduler should forbid moving LeafQueue from one parent to another
> ---------------------------------------------------------------------------
>
>                 Key: YARN-3764
>                 URL: https://issues.apache.org/jira/browse/YARN-3764
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>            Priority: Blocker
>             Fix For: 2.7.1
>
>         Attachments: YARN-3764.1.patch
>
>
> Currently CapacityScheduler doesn't handle the case well, for example:
> A queue structure:
> {code}
>     root
>       |
>       a (100)
>     /   \
>    x     y
>   (50)   (50)
> {code}
> And reinitialize using following structure:
> {code}
>      root
>      /   \ 
> (50)a     x (50)
>     |
>     y
>    (100)
> {code}
> The actual queue structure after reinitialize is:
> {code}
>      root
>     /    \
>    a (50) x (50)
>   /  \
>  x    y
> (50)  (100)
> {code}
> We should forbid admin doing that.



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