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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4487) Reduce job latency by removing hardcoded sleep statements
Date Thu, 02 Aug 2012 23:15:02 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13427715#comment-13427715
] 

Alejandro Abdelnur commented on MAPREDUCE-4487:
-----------------------------------------------

+1
                
> Reduce job latency by removing hardcoded sleep statements
> ---------------------------------------------------------
>
>                 Key: MAPREDUCE-4487
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4487
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv1, performance
>    Affects Versions: 1.0.3
>            Reporter: Tom White
>            Assignee: Tom White
>         Attachments: MAPREDUCE-4487.patch
>
>
> There are a few places in MapReduce where there are hardcoded sleep statements. By replacing
them with wait/notify or similar it's possible to reduce latency for short running jobs.

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