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https://issues.apache.org/jira/browse/MAPREDUCE-649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ravi Gummadi updated MAPREDUCE-649:
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Attachment: d_verify649.v1.patch
Attaching patch that makes copy of file to be retried distcp.file.retries(with
default value of 3) times in case of failures. Failure could be failure of
validation of copy(through file checksums mismatch). These retries are at done
within the same map irrespective of -i option.
Please review and provide your comments.
> distcp should validate the data copied
> --------------------------------------
>
> Key: MAPREDUCE-649
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-649
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: distcp
> Reporter: Ravi Gummadi
> Assignee: Ravi Gummadi
> Attachments: d_verify.patch, d_verify649.patch, d_verify649.v1.patch
>
>
> distcp should validate the files copied by checking the checksums, if the
> filesystem supports checksums.
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