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From "Vinayakumar B (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8975) Erasure coding : Fix random failure in TestSafeModeWithStripedFile
Date Sat, 12 Sep 2015 08:01:45 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinayakumar B updated HDFS-8975:
--------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: HDFS-7285
           Status: Resolved  (was: Patch Available)

Committed to branch

Thanks [~andreina] for the fix.
Thanks [~walter.k.su] for the review.

> Erasure coding : Fix random failure in TestSafeModeWithStripedFile
> ------------------------------------------------------------------
>
>                 Key: HDFS-8975
>                 URL: https://issues.apache.org/jira/browse/HDFS-8975
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: J.Andreina
>            Assignee: J.Andreina
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-8975-HDFS-7285-01.patch, HDFS-8975-HDFS-7285-02.patch
>
>
> TestSafeModeWithStripedFile#testStripedFile0 fails randomly because:
> In below code they are restarting DN and even before DN registration happens to NN, block
report is triggered and following operation fails
>  i) Safemode safe block is counted (which is coming as 0 randomly , eventhough one block
is safe )
>  ii) Check for NN in safemode.
> {code}
>       cluster.restartDataNode(dnprops.remove(0));
>       cluster.triggerBlockReports();
>       assertEquals(1, NameNodeAdapter.getSafeModeSafeBlocks(nn));
> {code}
> {code}
>      dnProperty = dnprops.remove(0);
>     restartDN(dnProperty,nameNodeAddress);
>     assertFalse(nn.isInSafeMode());
> {code}



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