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https://issues.apache.org/jira/browse/HBASE-8760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jerry He updated HBASE-8760:
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Attachment: HBase-8760-0.94.8-v1.patch
> possible loss of data in snapshot taken after region split
> ----------------------------------------------------------
>
> Key: HBASE-8760
> URL: https://issues.apache.org/jira/browse/HBASE-8760
> Project: HBase
> Issue Type: Bug
> Components: snapshots
> Affects Versions: 0.94.8
> Reporter: Jerry He
> Assignee: Jerry He
> Fix For: 0.94.8
>
> Attachments: HBase-8760-0.94.8.patch, HBase-8760-0.94.8-v1.patch
>
>
> Right after a region split but before the daughter regions are compacted, we
> have two daughter regions containing Reference files to the parent hfiles.
> If we take snapshot right at the moment, the snapshot will succeed, but it
> will only contain the daughter Reference files. Since there is no hold on the
> parent hfiles, they will be deleted by the HFile Cleaner after they are no
> longer needed by the daughter regions soon after.
> A minimum we need to do is the keep these parent hfiles from being deleted.
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