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https://issues.apache.org/jira/browse/MAPREDUCE-2279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ramkumar Vadali updated MAPREDUCE-2279:
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Attachment: MAPREDUCE-2279.1.patch
Minor optimization in read()
> Improper byte -> int conversion in DistributedRaidFileSystem
> ------------------------------------------------------------
>
> Key: MAPREDUCE-2279
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2279
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/raid
> Reporter: Ramkumar Vadali
> Assignee: Ramkumar Vadali
> Attachments: MAPREDUCE-2279.1.patch, MAPREDUCE-2279.patch
>
>
> When return a byte value from DistributedRaidFileSystem.read(), we should do
> 0xff & byteVal. Otherwise the returned int value will be incorrectly negative.
> This is a regression from MAPREDUCE-2248
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