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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3841) Port HDFS-3835 to branch-0.23
Date Wed, 22 Aug 2012 21:38:42 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13439871#comment-13439871
] 

Aaron T. Myers commented on HDFS-3841:
--------------------------------------

+1, the patch looks good to me.

Note that it's pretty easy to test this manually, if you wanted to, using a secure pseudo-cluster:

# Start up the NN and 2NN, with the checkpoint period set low.
# Get a DT using `hdfs fetchdt'
# Make sure the 2NN performs a checkpoint.
# Restart the NN, which on startup will merge the edits and fsimage.
# Without restarting the 2NN, make sure it successfully performs another checkpoint.
                
> Port HDFS-3835 to branch-0.23
> -----------------------------
>
>                 Key: HDFS-3841
>                 URL: https://issues.apache.org/jira/browse/HDFS-3841
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.23.3
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>         Attachments: HDFS-3841.txt, HDFS-3841.txt, HDFS-3841.txt
>
>
> HDFS-3835 does not cleanly merge into branch-0.23.  This is to port it over.

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