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Posted to common-dev@hadoop.apache.org by "Sameer Paranjpye (JIRA)" <ji...@apache.org> on 2006/05/31 02:48:30 UTC

[jira] Updated: (HADOOP-55) map-reduce job overhead is too high

     [ http://issues.apache.org/jira/browse/HADOOP-55?page=all ]

Sameer Paranjpye updated HADOOP-55:
-----------------------------------

    Fix Version: 0.5

> map-reduce job overhead is too high
> -----------------------------------
>
>          Key: HADOOP-55
>          URL: http://issues.apache.org/jira/browse/HADOOP-55
>      Project: Hadoop
>         Type: Bug

>   Components: mapred
>     Versions: 0.2
>     Reporter: Yoram Arnon
>     Assignee: Sameer Paranjpye
>     Priority: Minor
>      Fix For: 0.5

>
> map-reduce job overhead is too high. Running a null map-reduce job, with no input, no intermediate data and no output, on a several-hundred node cluster, takes several minutes, rather than several seconds.
> Enhanced distribution, launching and monitoring mechanisms should reduce the overhead to levels that match human online patience for short jobs.

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