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Posted to hdfs-issues@hadoop.apache.org by "Arpit Agarwal (JIRA)" <ji...@apache.org> on 2015/07/15 01:58:05 UTC

[jira] [Created] (HDFS-8778) TestBlockReportRateLimiting#testLeaseExpiration can deadlock

Arpit Agarwal created HDFS-8778:
-----------------------------------

             Summary: 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


{{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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