You are viewing a plain text version of this content. The canonical link for it is here.

Posted to mapreduce-issues@hadoop.apache.org by "Sunil G (JIRA)" <ji...@apache.org> on 2015/05/08 09:03:01 UTC

[jira] [Assigned] (MAPREDUCE-2632) Avoid calling the partitioner when the numReduceTasks is 1.

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sunil G reassigned MAPREDUCE-2632:
----------------------------------

    Assignee: Sunil G  (was: Ravi Teja Ch N V)

> Avoid calling the partitioner when the numReduceTasks is 1.
> -----------------------------------------------------------
>
>                 Key: MAPREDUCE-2632
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2632
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: tasktracker
>    Affects Versions: 0.23.0
>            Reporter: Ravi Teja Ch N V
>            Assignee: Sunil G
>              Labels: BB2015-05-TBR
>         Attachments: 0001-MAPREDUCE-2632.patch, MAPREDUCE-2632-1.patch, MAPREDUCE-2632.patch
>
>
> We can avoid the call to the partitioner when the number of reducers is 1.This will avoid the unnecessary computations by the partitioner.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)