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From "Aaron T. Myers (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3037) TestMulitipleNNDataBlockScanner#testBlockScannerAfterRestart is racy
Date Fri, 02 Mar 2012 00:12:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13220521#comment-13220521

Aaron T. Myers commented on HDFS-3037:

The findbugs warning is unrelated and tracked by HDFS-3038. I strongly suspect that the test
failures are spurious, but I just kicked Jenkins again for this patch just to be sure.
> TestMulitipleNNDataBlockScanner#testBlockScannerAfterRestart is racy
> --------------------------------------------------------------------
>                 Key: HDFS-3037
>                 URL: https://issues.apache.org/jira/browse/HDFS-3037
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.24.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>            Priority: Minor
>         Attachments: HDFS-3037.patch
> In this test, we restart a DN in a running cluster, call MiniDFS#waitActive, and then
assert some things about the DN. Trouble is, MiniDFSCluster#waitActive won't wait any time
at all, since the DN had previously registered with the NN and the NN never had time to realize
the DN was dead.

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