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Posted to dev@hive.apache.org by "Matt McCline (JIRA)" <ji...@apache.org> on 2015/04/07 00:09:13 UTC

[jira] [Created] (HIVE-10230) Vectorization: Look at performance of VectorExpressionWriterFactory and its use of DateWritable.daysToMillis

Matt McCline created HIVE-10230:
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             Summary: Vectorization: Look at performance of VectorExpressionWriterFactory and its use of DateWritable.daysToMillis
                 Key: HIVE-10230
                 URL: https://issues.apache.org/jira/browse/HIVE-10230
             Project: Hive
          Issue Type: Bug
            Reporter: Matt McCline
            Assignee: Matt McCline
            Priority: Critical



[~gopalv] found that DateWritable code in VectorExpressionWriterFactory showing up in hot-code paths from vectorization.  Probably slowness where it calls ZoneInfo::getOffset.



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