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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1992) Sort validation is taking considerably longer than before
Date Tue, 09 Oct 2007 21:29:50 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated HADOOP-1992:
----------------------------------

    Attachment: HADOOP-1992_1_20071010.patch

I've fixed SortValidator to use a more optimal way to get raw-bytes from {[BytesWritable}}
and {{Text}} objects, here is the patch.

> Sort validation is taking considerably longer than before
> ---------------------------------------------------------
>
>                 Key: HADOOP-1992
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1992
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.15.0
>         Environment: Linux
>            Reporter: Mukund Madhugiri
>            Assignee: Arun C Murthy
>            Priority: Blocker
>             Fix For: 0.15.0
>
>         Attachments: HADOOP-1992_1_20071010.patch
>
>
> Sort validation has slowed down compared to previous benchmark runs
> Here are the data points:
> 20 nodes: 0.39hr -> 1.36hr
> 100 nodes: 0.44hr -> 1.39hr
> 500 nodes: 0.56hr -> 1.41hr

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