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https://issues.apache.org/jira/browse/HDFS-3463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13283184#comment-13283184
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Konstantin Shvachko commented on HDFS-3463:
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TestDatanodeBlockScanner.testBlockCorruptionRecoveryPolicy1 failed because
DFSTestUtil.waitCorruptReplicas() reads some file 50 times and checks if the
corruption is detected after each read. In the run that time was enough for the
DN to restart, but not enough for NN to detect the corruption.
I see fifty "Waiting for 1 corrupt replicas", which means all 50 reads have
been done, but don't see "NameSystem.addToCorruptReplicasMap:" in the log
indicating that corruption was not detected.
> DFSTestUtil.waitCorruptReplicas() should not use file reading time as a
> timeout measure.
> ----------------------------------------------------------------------------------------
>
> Key: HDFS-3463
> URL: https://issues.apache.org/jira/browse/HDFS-3463
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 3.0.0
> Reporter: Konstantin Shvachko
> Attachments: testBlockCorruptionRecoveryPolicy1.log.htm
>
>
> Tests fail because DFSTestUtil.waitCorruptReplicas() does not wait long
> enough.
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