hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1749) ExecMapper and ExecReducer reduce function calls to l4j.isInfoEnabled()
Date Tue, 26 Oct 2010 06:01:21 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12924848#action_12924848
] 

Namit Jain commented on HIVE-1749:
----------------------------------

+1

> ExecMapper and ExecReducer reduce function calls to l4j.isInfoEnabled()
> -----------------------------------------------------------------------
>
>                 Key: HIVE-1749
>                 URL: https://issues.apache.org/jira/browse/HIVE-1749
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Siying Dong
>            Assignee: Siying Dong
>            Priority: Minor
>         Attachments: HIVE-1749.1.patch
>
>
> Calling l4j.isInfoEnabled() is more expensive than we thought. By eliminating this function
call, we can save 1% - 3% CPU time, according to the profiliing.

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


Mime
View raw message