[ 
https://issues.apache.org/jira/browse/HIVE-756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12744600#action_12744600
 ] 

Ning Zhang commented on HIVE-756:
---------------------------------

Good point Yongqiang. I'll check whether there is any plac to set the default 
value of BytesRefArrayWritable outside of the loop. If not so easy, I'll revert 
this change.

> performance improvement for RCFile and ColumnarSerDe in Hive
> ------------------------------------------------------------
>
>                 Key: HIVE-756
>                 URL: https://issues.apache.org/jira/browse/HIVE-756
>             Project: Hadoop Hive
>          Issue Type: Improvement
>            Reporter: Ning Zhang
>            Assignee: Ning Zhang
>         Attachments: hive-756.patch, hive-756_2.patch
>
>
> There are some easy performance improvements in the columnar storage in Hive 
> I found during Hackathon. 

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.

Reply via email to