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https://issues.apache.org/jira/browse/MAPREDUCE-1908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ramkumar Vadali updated MAPREDUCE-1908:
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Attachment: MAPREDUCE-1908.patch
This patch make DistributedRaidFileSystem find the location of missing/corrupt
data correctly.
> DistributedRaidFileSystem does not handle ChecksumException correctly
> ---------------------------------------------------------------------
>
> Key: MAPREDUCE-1908
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1908
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Ramkumar Vadali
> Assignee: Ramkumar Vadali
> Attachments: MAPREDUCE-1908.patch
>
>
> ChecksumException reports the offset of corruption within a block,
> whereas DistributedRaidFileSystem.setAlternateLocations was expecting it
> to report the offset of corruption within the file.
> The best way of dealing with a missing block/corrupt block is to just
> use the current seek offset in the file as the position of corruption.
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