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Posted to hdfs-dev@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2009/12/29 18:06:29 UTC

[jira] Created: (HDFS-863) Potential deadlock in TestOverReplicatedBlocks

Potential deadlock in TestOverReplicatedBlocks
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                 Key: HDFS-863
                 URL: https://issues.apache.org/jira/browse/HDFS-863
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: test
            Reporter: Todd Lipcon
             Fix For: 0.22.0
         Attachments: cycle.png

TestOverReplicatedBlocks.testProcesOverReplicateBlock synchronizes on namesystem.heartbeats without synchronizing on namesystem first. Other places in the code synchronize namesystem, then heartbeats. It's probably unlikely to occur in this test case, but it's a simple fix.

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