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Posted to dev@hive.apache.org by "Sam An (Jira)" <ji...@apache.org> on 2020/07/28 20:18:00 UTC

[jira] [Created] (HIVE-23943) Improve HiveMetastoreAuthorizer filter performance

Sam An created HIVE-23943:
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             Summary: Improve HiveMetastoreAuthorizer filter performance
                 Key: HIVE-23943
                 URL: https://issues.apache.org/jira/browse/HIVE-23943
             Project: Hive
          Issue Type: Improvement
    Affects Versions: 4.0.0
            Reporter: Sam An
            Assignee: Sam An


The current HiveMetastoreAuthorizer is per thread, and it can have problem in some heavy use scenario. Let's see if we can improve the performance by changing the class to a singleton or some other more performant option. 



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