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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1832) Support for file sizes less than 1MB in DFSIO benchmark.
Date Thu, 03 Jun 2010 00:57:55 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Konstantin Shvachko updated MAPREDUCE-1832:
-------------------------------------------

    Attachment: TestDFSIO-fsize-0.20.patch

This is a backport for branch 0.20. I had to apply several other patches in order to get it
in sync with current version of DFSIO. That is why the patch is larger than the patch for
trunk.
Applying to branch 0.21 should not be a problem.

> Support for file sizes less than 1MB in DFSIO benchmark.
> --------------------------------------------------------
>
>                 Key: MAPREDUCE-1832
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1832
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: benchmarks
>    Affects Versions: 0.20.2
>            Reporter: Konstantin Shvachko
>            Assignee: Konstantin Shvachko
>             Fix For: 0.20.3
>
>         Attachments: TestDFSIO-fsize-0.20.patch, TestDFSIO-fsize.patch
>
>
> Currently DFSIO benchmark allows to specify files sizes in 1MB increments. It would be
useful to be able to specify smaller sizes.

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