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https://issues.apache.org/jira/browse/HBASE-13588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14527038#comment-14527038
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Mubeen Afzal commented on HBASE-13588:
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[~mbertozzi] I see a similar filechecksum compare prior to exporting snapshot
without any checks on file system. So there is no test where snapshot already
exists on target prior to exporting snapshot. I'm proposing making checksum
compare optional with default <false>. And just logging a warn if those are
different when enabled. what do you think?
> ExportSnapshot should checksum data transferred
> -----------------------------------------------
>
> Key: HBASE-13588
> URL: https://issues.apache.org/jira/browse/HBASE-13588
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0, 1.0.1, 0.98.13
> Reporter: Mubeen Afzal
> Assignee: Mubeen Afzal
> Attachments: HBASE-13588.patch
>
>
> We sent quite a bit of data using ExportSnapshot and noticed some corruption.
> We use checksums to verify if we have transferred a particular file but
> never do any verification after the file has been transferred. I propose
> that we do a checksum upon completing file transfer and if the checksums do
> not match up, I propose we fail by throwing an IOException.
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