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From "Rajesh Balamohan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-15665) LLAP: OrcFileMetadata objects in cache can impact heap usage
Date Thu, 19 Jan 2017 04:39:26 GMT
Rajesh Balamohan created HIVE-15665:
---------------------------------------

             Summary: LLAP: OrcFileMetadata objects in cache can impact heap usage
                 Key: HIVE-15665
                 URL: https://issues.apache.org/jira/browse/HIVE-15665
             Project: Hive
          Issue Type: Improvement
          Components: llap
            Reporter: Rajesh Balamohan


OrcFileMetadata internally has filestats, stripestats etc which are allocated in heap. On
large data sets, this could have an impact on the heap usage and the memory usage by different
executors in LLAP.





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