[
https://issues.apache.org/jira/browse/HIVE-10230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Gopal V updated HIVE-10230:
---------------------------
Description:
[~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!
was:
[~gopalv] found that DateWritable code in VectorExpressionWriterFactory showing
up in hot-code paths from vectorization. Probably slowness where it calls
ZoneInfo::getOffset.
> 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
> 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!
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
