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https://issues.apache.org/jira/browse/MAPREDUCE-2248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Scott Chen updated MAPREDUCE-2248:
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Fix Version/s: 0.23.0
Affects Version/s: 0.23.0
Hadoop Flags: [Reviewed]
Status: Patch Available (was: Open)
> 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
> Affects Versions: 0.23.0
> Reporter: Ramkumar Vadali
> Assignee: Ramkumar Vadali
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2248.1.patch, 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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