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Posted to dev@hive.apache.org by "Laszlo Pinter (Jira)" <ji...@apache.org> on 2020/01/07 10:11:00 UTC

[jira] [Created] (HIVE-22700) Compactions may leak memory when unauthorized

Laszlo Pinter created HIVE-22700:
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             Summary: Compactions may leak memory when unauthorized
                 Key: HIVE-22700
                 URL: https://issues.apache.org/jira/browse/HIVE-22700
             Project: Hive
          Issue Type: Bug
          Components: Hive
            Reporter: Laszlo Pinter
            Assignee: Laszlo Pinter


Initiator class determines compaction type periodically. Initiator either runs as hive user or impersonates the owner of the table. When impersonation is used, Initiator#checkForCompaction may leak memory. If impersonation (ugi.doAs()) call fails, FileSystem.closeAllForUGI does not run, therefore does not clean the file system cache.



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