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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-6347) ZeroCopy read path for ORC RecordReader
Date Fri, 31 Jan 2014 21:36:09 GMT
Gopal V created HIVE-6347:
-----------------------------

             Summary: ZeroCopy read path for ORC RecordReader
                 Key: HIVE-6347
                 URL: https://issues.apache.org/jira/browse/HIVE-6347
             Project: Hive
          Issue Type: Bug
          Components: File Formats
    Affects Versions: tez-branch
            Reporter: Gopal V
            Assignee: Gopal V


ORC can use the new HDFS Caching APIs and the ZeroCopy readers to avoid extra data copies
into memory while scanning files.

Implement ORC zcr codepath and a hive.orc.zerocopy flag.



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