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https://issues.apache.org/jira/browse/HIVE-10230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt McCline reassigned HIVE-10230:
-----------------------------------
Assignee: (was: Matt McCline)
> 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
> Priority: Minor
> Attachments: datewritable-serialization.png
>
>
> [~gopalv] found that DateWritable code in VectorExpressionWriterFactory
> showing up in hot-code paths from vectorization. Probably slowness where it
> calls ZoneInfo::getOffset.
> !datewritable-serialization.png!
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