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From "Todd Lipcon (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3267) TestBlocksWithNotEnoughRacks races with DN startup
Date Thu, 12 Apr 2012 20:01:19 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13252784#comment-13252784
] 

Todd Lipcon commented on HDFS-3267:
-----------------------------------

The test can be made to fail by adding a sleep(5000) at the start of BPServiceActor's thread.
                
> TestBlocksWithNotEnoughRacks races with DN startup
> --------------------------------------------------
>
>                 Key: HDFS-3267
>                 URL: https://issues.apache.org/jira/browse/HDFS-3267
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 2.0.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>
> In TestBlocksWithNotEnoughRacks.testCorruptBlockRereplicatedAcrossRacks, it restarts
a DN, and then proceeds to call "waitCorruptReplicas". But, because of HDFS-3266, it doesn't
actually wait very long while checking for the corrupt block to be reported. Since the DN
starts back up asynchronously, the test will fail if it starts too slowly.

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