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https://issues.apache.org/jira/browse/HDFS-9176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Templeton updated HDFS-9176:
-----------------------------------
Attachment: HDFS-9176.001.patch
Doh. If you look carefully at these log lines, you'll see the issue:
{noformat}
2015-10-05 15:22:33,725 [pool-53-thread-1] WARN datanode.DirectoryScanner
(DirectoryScanner.java:shutdown(527)) - DirectoryScanner: shutdown has been
called, but periodic scanner not started
2015-10-05 15:22:33,726 [Thread-911] INFO datanode.TestDirectoryScanner
(TestDirectoryScanner.java:testThrottling(675)) - Scanner took 3609189682ms to
shutdown
{noformat}
Notice that the shutdown() method is called in the same second as the assert
fails, and yet the assert says that the shutdown took a very long time. The
issue is that the assert is occasionally happening before the interrupter
thread updates the timestamp.
The attached patch should resolve the issue.
> TestDirectoryScanner#testThrottling often fails.
> ------------------------------------------------
>
> Key: HDFS-9176
> URL: https://issues.apache.org/jira/browse/HDFS-9176
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 2.8.0
> Reporter: Yi Liu
> Assignee: Daniel Templeton
> Priority: Minor
> Attachments: HDFS-9176.001.patch
>
>
> https://builds.apache.org/job/PreCommit-HDFS-Build/12736/testReport/
> https://builds.apache.org/job/PreCommit-HADOOP-Build/7732/testReport/
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