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https://issues.apache.org/jira/browse/HBASE-8760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13745697#comment-13745697
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Hudson commented on HBASE-8760:
-------------------------------
SUCCESS: Integrated in hbase-0.95 #477 (See
[https://builds.apache.org/job/hbase-0.95/477/])
HBASE-8760 possible loss of data in snapshot taken after region split
(mbertozzi: rev 1515966)
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> 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, 0.95.1
> Reporter: Jerry He
> Assignee: Matteo Bertozzi
> Fix For: 0.98.0, 0.94.12, 0.96.0
>
> Attachments: HBase-8760-0.94.8.patch, HBase-8760-0.94.8-v1.patch,
> HBASE-8760-0.94-v10.patch, HBASE-8760-0.94-v4.patch,
> HBASE-8760-0.94-v5.patch, HBASE-8760-0.94-v6.patch, HBASE-8760-0.94-v7.patch,
> HBASE-8760-0.94-v8-addendum.patch, HBASE-8760-0.94-v8.patch,
> HBASE-8760-0.94-v9.patch, HBASE-8760-thz-v0.patch,
> HBASE-8760-trunk-v10.patch, HBASE-8760-trunk-v8.patch,
> HBASE-8760-trunk-v9.patch, HBASE-8760-v4.patch, v4-patch-testing-0.94.zip,
> v4-patch-testing-0.95.2.zip
>
>
> 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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