Add special SnapshotScanner which presents view of all data at some time in the
past
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Key: HBASE-2376
URL: https://issues.apache.org/jira/browse/HBASE-2376
Project: Hadoop HBase
Issue Type: New Feature
Components: client, regionserver
Affects Versions: 0.20.3
Reporter: Jonathan Gray
In order to support a particular kind of database "snapshot" feature which
doesn't require copying data, we came up with the idea for a special
SnapshotScanner that would present a view of your data at some point in the
past. The primary use case for this would be to be able to recover particular
data/rows (but not all data, like a global rollback) should they have somehow
been messed up (application fault, application bug, user error, etc.).
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