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https://issues.apache.org/jira/browse/HDFS-8975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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J.Andreina updated HDFS-8975:
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Status: Patch Available (was: Open)
> 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
> Attachments: HDFS-8975-HDFS-7285-01.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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