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Posted to mapreduce-issues@hadoop.apache.org by "Ramkumar Vadali (JIRA)" <ji...@apache.org> on 2011/01/06 20:52:53 UTC

[jira] Updated: (MAPREDUCE-2248) DistributedRaidFileSystem should unraid only the corrupt block

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ramkumar Vadali updated MAPREDUCE-2248:
---------------------------------------

    Attachment: MAPREDUCE-2248.patch

review at https://reviews.apache.org/r/217/

> DistributedRaidFileSystem should unraid only the corrupt block
> --------------------------------------------------------------
>
>                 Key: MAPREDUCE-2248
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2248
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Ramkumar Vadali
>            Assignee: Ramkumar Vadali
>         Attachments: MAPREDUCE-2248.patch
>
>
> DistributedRaidFileSystem unraids the entire file if it hits a corrupt block. It is better to unraid just the corrupt block and use the rest of the file as normal. This becomes really important when we have tera-byte sized files.

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