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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CHUKWA-276) Hourly and Daily rolling should use a single reducer + fix classpath issue
Date Tue, 23 Jun 2009 15:42:07 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12723113#action_12723113
] 

Hudson commented on CHUKWA-276:
-------------------------------

Integrated in Chukwa-trunk #61 (See [http://hudson.zones.apache.org/hudson/job/Chukwa-trunk/61/])
    

> Hourly and Daily rolling should use a single reducer + fix classpath issue
> --------------------------------------------------------------------------
>
>                 Key: CHUKWA-276
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-276
>             Project: Hadoop Chukwa
>          Issue Type: Improvement
>          Components: Data Processors
>            Reporter: Jerome Boulon
>            Assignee: Jerome Boulon
>             Fix For: 0.2.0, 0.3.0
>
>         Attachments: CHUKWA-276.patch
>
>
> Hourly and Daily rolling should not use more than one reducer and they are currently
relying on the default parameter to be correct.
> <property>
>   <name>mapred.reduce.tasks</name>
>   <value>1</value>
>   <description>The default number of reduce tasks per job.  Typically set
>   to a prime close to the number of available hosts.  Ignored when
>   mapred.job.tracker is "local".
>   </description>
> </property>
> This should be forced within the Rolling class in order to avoid any issue.

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