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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3826) Race condition in ResourceTrackerService leads to wrong diagnostics messages
Date Fri, 26 Jun 2015 12:00:07 GMT

    [ https://issues.apache.org/jira/browse/YARN-3826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14602762#comment-14602762
] 

Hudson commented on YARN-3826:
------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #970 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/970/])
YARN-3826. Race condition in ResourceTrackerService leads to wrong (devaraj: rev 57f1a01eda80f44d3ffcbcb93c4ee290e274946a)
* hadoop-yarn-project/CHANGES.txt
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceTrackerService.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/utils/YarnServerBuilderUtils.java


> Race condition in ResourceTrackerService leads to wrong diagnostics messages
> ----------------------------------------------------------------------------
>
>                 Key: YARN-3826
>                 URL: https://issues.apache.org/jira/browse/YARN-3826
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.0
>            Reporter: Chengbing Liu
>            Assignee: Chengbing Liu
>             Fix For: 2.8.0
>
>         Attachments: YARN-3826.01.patch, YARN-3826.02.patch, YARN-3826.03.patch
>
>
> Since we are calling {{setDiagnosticsMessage}} in {{nodeHeartbeat}}, which can be called
concurrently, the static {{resync}} and {{shutdown}} may have wrong diagnostics messages in
some cases.
> On the other side, these static members can hardly save any memory, since the normal
heartbeat responses are created for each heartbeat.



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