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From "Aaron T. Myers (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2974) HA: MiniDFSCluster does not delete standby NN name dirs during format
Date Sun, 19 Feb 2012 22:38:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13211579#comment-13211579
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Aaron T. Myers commented on HDFS-2974:
--------------------------------------

Oh, also, I ran the full HDFS test suite. The only failures were TestCheckpoint (fixed in
the latest patch) and TestBalancerWithHANameNodes, which fails when run on its own without
this patch.
                
> HA: MiniDFSCluster does not delete standby NN name dirs during format
> ---------------------------------------------------------------------
>
>                 Key: HDFS-2974
>                 URL: https://issues.apache.org/jira/browse/HDFS-2974
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, test
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: HDFS-2952-HDFS-1623.patch, HDFS-2974-HDFS-1623.patch
>
>
> When the MiniDFSCluster is formtting an HA cluster, it formats the first NN, and then
copies the contents of that directory to the second NNs name dirs. However, the second NNs
name dirs are not emptied first, and thus a previous test's state may interfere with the test.

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