Jerry He created HBASE-8760:
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Summary: 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
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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