hadoop-common-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3130) Shuffling takes too long to get the last map output.
Date Thu, 17 Apr 2008 12:11:23 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12589985#action_12589985
] 

Hudson commented on HADOOP-3130:
--------------------------------

Integrated in Hadoop-trunk #463 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/463/])

> Shuffling takes too long to get the last map output.
> ----------------------------------------------------
>
>                 Key: HADOOP-3130
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3130
>             Project: Hadoop Core
>          Issue Type: Bug
>            Reporter: Runping Qi
>            Assignee: Amar Kamat
>             Fix For: 0.18.0
>
>         Attachments: HADOOP-3130-v2.patch, HADOOP-3130-v2.patch, HADOOP-3130-v3.1.patch,
HADOOP-3130-v3.2.patch, HADOOP-3130-v3.patch, HADOOP-3130.patch, shuffling.log
>
>
> I noticed that towards the end of shufflling, the map output fetcher of the reducer backs
off too aggressively.
> I attach a fraction of one reduce log of my job.
> Noticed that the last map output was not fetched in 2 minutes.

-- 
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