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Posted to hdfs-issues@hadoop.apache.org by "Kuhu Shukla (JIRA)" <ji...@apache.org> on 2017/11/01 19:44:00 UTC

[jira] [Created] (HDFS-12754) Lease renewal can hit a deadlock

Kuhu Shukla created HDFS-12754:
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             Summary: Lease renewal can hit a deadlock 
                 Key: HDFS-12754
                 URL: https://issues.apache.org/jira/browse/HDFS-12754
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.8.1
            Reporter: Kuhu Shukla
            Assignee: Kuhu Shukla
            Priority: Major


The Client and the renewer can hit a deadlock during close operation since closeFile() reaches back to the DFSClient#removeFileBeingWritten. This is possible if the client class close when the renewer is renewing a lease.



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