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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2753) Fix potential issues and code clean up for *NodeLabelsManager
Date Sat, 08 Nov 2014 11:43:40 GMT

    [ https://issues.apache.org/jira/browse/YARN-2753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14203399#comment-14203399
] 

Hudson commented on YARN-2753:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #737 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/737/])
YARN-2753. Fixed a bunch of bugs in the NodeLabelsManager classes. Contributed by Zhihai xu.
(vinodkv: rev 4cfd5bc7c18bb9a828f573b5c4d2b13fa28e732a)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/CommonNodeLabelsManager.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/nodelabels/TestRMNodeLabelsManager.java


> Fix potential issues and code clean up for *NodeLabelsManager
> -------------------------------------------------------------
>
>                 Key: YARN-2753
>                 URL: https://issues.apache.org/jira/browse/YARN-2753
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>             Fix For: 2.6.0
>
>         Attachments: YARN-2753.000.patch, YARN-2753.001.patch, YARN-2753.002.patch, YARN-2753.003.patch,
YARN-2753.004.patch, YARN-2753.005.patch, YARN-2753.006.patch, YARN-2753.007.patch, YARN-2753.008.patch
>
>
> Issues include:
> * CommonNodeLabelsManager#addToCluserNodeLabels should not change the value in labelCollections
if the key already exists otherwise the Label.resource will be changed(reset).
> * potential NPE(NullPointerException) in checkRemoveLabelsFromNode of CommonNodeLabelsManager.
> ** because when a Node is created, Node.labels can be null.
> ** In this case, nm.labels; may be null. So we need check originalLabels not null before
use it(originalLabels.containsAll).
> * addToCluserNodeLabels should be protected by writeLock in RMNodeLabelsManager.java.
because we should protect labelCollections in RMNodeLabelsManager.
> * Fix a potential bug in CommonsNodeLabelsManager, after serviceStop(...) is invoked,
some event may not be processed, see [comment|https://issues.apache.org/jira/browse/YARN-2753?focusedCommentId=14197206&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14197206]



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