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https://issues.apache.org/jira/browse/MAPREDUCE-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12836517#action_12836517
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dhruba borthakur commented on MAPREDUCE-1519:
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This is confusing me. A HDFS.rename() should succeed even if the target file
exists. The rename call deletes the original file and moves the new one to its
place. Is this not what you are seeing?
> RaidNode fails to create new parity file if an older version already exists
> ---------------------------------------------------------------------------
>
> Key: MAPREDUCE-1519
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1519
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/raid
> Reporter: Rodrigo Schmidt
> Assignee: Rodrigo Schmidt
> Attachments: MAPREDUCE-1519.patch
>
>
> When RaidNode tries to recreate a parity file for a source file that has been
> modified (recreated) recently, it crashes.
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