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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-2376) Add special SnapshotScanner which presents view of all data at some time in the past
Date Thu, 25 Mar 2010 15:55:27 GMT
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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