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Posted to mapreduce-issues@hadoop.apache.org by "Harsh J (Resolved) (JIRA)" <ji...@apache.org> on 2011/12/31 10:12:31 UTC

[jira] [Resolved] (MAPREDUCE-29) JVM reuse across task types

     [ https://issues.apache.org/jira/browse/MAPREDUCE-29?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Harsh J resolved MAPREDUCE-29.
------------------------------

    Resolution: Invalid

Given the feature of different heap sizes per task type, this does not make sense to have anymore.
                
> JVM reuse across task types
> ---------------------------
>
>                 Key: MAPREDUCE-29
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-29
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Devaraj Das
>         Attachments: 5425.1.patch
>
>
> Currently, JVM-reuse is across tasks of same type of the same job, i.e. JVMs are kind of marked as map-JVMs and reduce JVMs. May be we can reuse JVMs across tasks of different types but of the same job.

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