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From "Sijie Guo (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DL-86) Improve handling of lock conflicts in zk session lock
Date Tue, 06 Dec 2016 16:27:58 GMT
Sijie Guo created DL-86:
---------------------------

             Summary: Improve handling of lock conflicts in zk session lock
                 Key: DL-86
                 URL: https://issues.apache.org/jira/browse/DL-86
             Project: DistributedLog
          Issue Type: Improvement
          Components: distributedlog-core
            Reporter: Sijie Guo
            Assignee: Sijie Guo
             Fix For: 0.4.0


- lock reacquire could happen in foreground and background thread. so use a semaphore to make
sure there is only on e      outstanding  acquire operation. and  check if already hold lock
before reacquire.
    - fix handling zk sibling znode logic. as the znode is sequential znode, the name would
be different each time. so only    comparing the client id and session id of the znodes



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