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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4365) FileSystemNodeLabelStore should check for root dir existence on startup
Date Fri, 06 Jan 2017 01:45:59 GMT

     [ https://issues.apache.org/jira/browse/YARN-4365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Junping Du updated YARN-4365:
-----------------------------
    Fix Version/s: 2.8.0

> 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: 2.8.0, 2.7.2, 2.6.3, 3.0.0-alpha1
>
>         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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