hadoop-common-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Ramya R (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3150) Move task file promotion into the task
Date Mon, 18 Aug 2008 03:30:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12623250#action_12623250
] 

Ramya R commented on HADOOP-3150:
---------------------------------

Tested the patch for small jobs benchmark on 500 nodes with 900 maps, 450 reduces and 10000
lines per job. 
The patch did not degrade the performance. The deviation observed was less than 2%. 

> Move task file promotion into the task
> --------------------------------------
>
>                 Key: HADOOP-3150
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3150
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Owen O'Malley
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.19.0
>
>         Attachments: 3150.patch, patch-3150.txt, patch-3150.txt, patch-3150.txt, patch-3150.txt,
patch-3150.txt, patch-3150.txt, patch-3150.txt, patch-3150.txt, patch-3150.txt, patch-3150.txt,
patch-3150.txt
>
>
> We need to move the task file promotion from the JobTracker to the Task and move it down
into the output format.

-- 
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