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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (TEZ-338) Determine reduce task parallelism
Date Tue, 20 Aug 2013 00:12:51 GMT

     [ https://issues.apache.org/jira/browse/TEZ-338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bikas Saha resolved TEZ-338.
----------------------------

       Resolution: Fixed
    Fix Version/s: 0.2.0

Thanks! Committed.
commit e368ede8d49d95418804bf34ff37052a08239a24
Author: Bikas Saha <bikas@apache.org>
Date:   Mon Aug 19 17:08:08 2013 -0700

    TEZ-338. Determine reduce task parallelism (bikas)
                
> Determine reduce task parallelism
> ---------------------------------
>
>                 Key: TEZ-338
>                 URL: https://issues.apache.org/jira/browse/TEZ-338
>             Project: Apache Tez
>          Issue Type: Sub-task
>            Reporter: Bikas Saha
>            Assignee: Bikas Saha
>              Labels: TEZ-0.2.0
>             Fix For: 0.2.0
>
>         Attachments: TEZ-338.1.patch, TEZ-338.2.patch, TEZ-338.3.patch, TEZ-338.4.patch,
TEZ-338.5.patch, TEZ-338.6.patch
>
>
> Determine the parallelism of reduce tasks at runtime. This is important because its difficult
to determine this accurately before the job actually runs due to unknown data reduction ratios
in the intermediate stages.

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