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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-14239) Change OperationManager to serve each session and make it threadsafe
Date Thu, 14 Jul 2016 14:53:20 GMT
Aihua Xu created HIVE-14239:
-------------------------------

             Summary: Change OperationManager to serve each session and make it threadsafe
                 Key: HIVE-14239
                 URL: https://issues.apache.org/jira/browse/HIVE-14239
             Project: Hive
          Issue Type: Sub-task
          Components: HiveServer2
    Affects Versions: 2.0.1
            Reporter: Aihua Xu
            Assignee: Aihua Xu


Currently OperationManager is designed to hold all the operations from all the sessions. It
will cause the functions to unnecessarily sync between the operations across the sessions.
And also there are some functions are not threadsafe which could be the cause for invalid
OperationHandle.

Plan to change OperationManager to just serve one session and make it a helper class for HiveSession
rather than a service which doesn't seem to  be needed.



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