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From "Scott Chen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1970) Reed-Solomon code implementation to be used in raid
Date Mon, 26 Jul 2010 22:46:17 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1970?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Scott Chen updated MAPREDUCE-1970:

    Attachment: MAPREDUCE-1970.txt

The patch is a Reed-Solomon erasure code implementation.
Since the parity size are very small (4-5) in our use case, I don't think we need some fancy
A gaussian elimination for solving the error values will be just enough.

> Reed-Solomon code implementation to be used in raid
> ---------------------------------------------------
>                 Key: MAPREDUCE-1970
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1970
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: contrib/raid
>            Reporter: Scott Chen
>            Assignee: Scott Chen
>         Attachments: MAPREDUCE-1970.txt
> A Reed-Solomon erasure code implementation.

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