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From "Kannan Muthukkaruppan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-2376) Add special SnapshotScanner which presents view of all data at some time in the past
Date Wed, 21 Nov 2012 00:06:59 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kannan Muthukkaruppan updated HBASE-2376:
-----------------------------------------

    Assignee: Pritam Damania
    
> Add special SnapshotScanner which presents view of all data at some time in the past
> ------------------------------------------------------------------------------------
>
>                 Key: HBASE-2376
>                 URL: https://issues.apache.org/jira/browse/HBASE-2376
>             Project: HBase
>          Issue Type: New Feature
>          Components: Client, regionserver
>    Affects Versions: 0.20.3
>            Reporter: Jonathan Gray
>            Assignee: Pritam Damania
>
> 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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