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https://issues.apache.org/jira/browse/HBASE-13588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14525681#comment-14525681
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Matteo Bertozzi commented on HBASE-13588:
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the problem with this patch, as you may see from the test failure,
is that if we release it with the checksum on, it will always fail when
exporting to a different filesystem
e.g. hdfs to local (as in the test), hdfs to s3, hdfs to an hdfs with a
different checksum conf and so on. each fs implementation/configuration will
have a different checksum.
> 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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