You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2015/04/07 00:32:13 UTC

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

     [ 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)