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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4365) FileSystemNodeLabelStore should check for root dir existence on startup
Date Wed, 25 Nov 2015 04:56:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-4365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15026198#comment-15026198
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Hudson commented on YARN-4365:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #640 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/640/])
YARN-4365. FileSystemNodeLabelStore should check for root dir existence (jlowe: rev f5acf94ecafb301a0cc8e8f91f19c8bcbc8da701)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/nodelabels/TestFileSystemNodeLabelsStore.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/FileSystemNodeLabelsStore.java
* hadoop-yarn-project/CHANGES.txt


> FileSystemNodeLabelStore should check for root dir existence on startup
> -----------------------------------------------------------------------
>
>                 Key: YARN-4365
>                 URL: https://issues.apache.org/jira/browse/YARN-4365
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.2
>            Reporter: Jason Lowe
>            Assignee: Kuhu Shukla
>             Fix For: 2.6.3, 2.7.3
>
>         Attachments: YARN-4365-1.patch, YARN-4365-2.patch, YARN-4365-3.patch
>
>
> If the namenode is in safe mode for some reason then FileSystemNodeLabelStore will prevent
the RM from starting since it unconditionally tries to create the root directory for the label
store.  If the root directory already exists and no labels are changing then we shouldn't
prevent the RM from starting even if the namenode is in safe mode.



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