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https://issues.apache.org/jira/browse/HDFS-8778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal updated HDFS-8778:
--------------------------------
Attachment: HDFS-8778.01.patch
The fix is to make {{requestBlockReportLease}} non-blocking.
Also ensure that the cluster is shutdown on test failure.
> TestBlockReportRateLimiting#testLeaseExpiration can deadlock
> ------------------------------------------------------------
>
> Key: HDFS-8778
> URL: https://issues.apache.org/jira/browse/HDFS-8778
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 2.7.1
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Attachments: HDFS-8778.01.patch
>
>
> {{requestBlockReportLease}} blocks on DataNode registration while holding the
> NameSystem read lock.
> DataNode registration can block on the NameSystem read lock if a writer gets
> in the queue.
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