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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8778) TestBlockReportRateLimiting#testLeaseExpiration can deadlock
Date Wed, 15 Jul 2015 00:01:11 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arpit Agarwal updated HDFS-8778:
--------------------------------
    Status: Patch Available  (was: Open)

> 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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