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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4690) Namenode exits if entering safemode while secret manager is edit logging
Date Mon, 15 Apr 2013 20:36:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13632144#comment-13632144
] 

Kihwal Lee commented on HDFS-4690:
----------------------------------

Since Daryn is out for the week, I ran the tests. Everything passed for 0.23 with the patch.

+1
                
> Namenode exits if entering safemode while secret manager is edit logging
> ------------------------------------------------------------------------
>
>                 Key: HDFS-4690
>                 URL: https://issues.apache.org/jira/browse/HDFS-4690
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode, security
>    Affects Versions: 0.23.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Critical
>         Attachments: HDFS-4690.branch-23.patch
>
>
> Going into safemode involves stopping the secret manager's thread.  An interrupt is sent
to this thread.  If this occurs while the thread is logging an edit, the resulting exception
in the thread will cause the NN to exit.
> The fix is to back-port a subset of HDFS-2579 which went into branch 2 & trunk.

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