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Posted to yarn-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2015/11/17 17:22:11 UTC

[jira] [Created] (YARN-4365) FileSystemNodeLabelStore should check for root dir existence on startup

Jason Lowe created YARN-4365:
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             Summary: 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


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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