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

Posted to dev@hive.apache.org by "Gunther Hagleitner (JIRA)" <ji...@apache.org> on 2013/05/02 10:22:15 UTC

[jira] [Updated] (HIVE-4475) Switch RCFile default to LazyBinaryColumnarSerDe

     [ https://issues.apache.org/jira/browse/HIVE-4475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gunther Hagleitner updated HIVE-4475:
-------------------------------------

    Attachment: HIVE-4475.1.patch
    
> Switch RCFile default to LazyBinaryColumnarSerDe
> ------------------------------------------------
>
>                 Key: HIVE-4475
>                 URL: https://issues.apache.org/jira/browse/HIVE-4475
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>         Attachments: HIVE-4475.1.patch
>
>
> For most workloads it seems LazyBinaryColumnarSerDe (binary) will perform better than ColumnarSerDe (text). Not sure why ColumnarSerDe is the default, but my guess is, that's for historical reasons. I suggest switching the default.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira