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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-1241) Possible deadlock between LeaseManager and FSDirectory
Date Thu, 17 Jun 2010 19:25:23 GMT
Possible deadlock between LeaseManager and FSDirectory

                 Key: HDFS-1241
                 URL: https://issues.apache.org/jira/browse/HDFS-1241
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 0.20.2, 0.21.0
            Reporter: Todd Lipcon

LeaseManager.findPath() locks LeaseManager, then FSDirectory by caling getFileINode. FSDirectory.unprotectedDelete
locks itself and then calls LeaseManager.removeLeaseWithPrefixPath. This cycle could deadlock.

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