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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11054) Create new hook in StoreScanner to help user creating his own delete tracker
Date Thu, 15 May 2014 00:40:35 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13998323#comment-13998323
] 

Anoop Sam John commented on HBASE-11054:
----------------------------------------

We added a new cp method in RegionObserver. If a user having a cp impl, directly implementing
RegionObserver (not extending BaseRegionObserver) the addition of new method will break compatibility.


> Create new hook in StoreScanner to help user creating his own delete tracker
> ----------------------------------------------------------------------------
>
>                 Key: HBASE-11054
>                 URL: https://issues.apache.org/jira/browse/HBASE-11054
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 0.99.0, 0.98.2
>
>         Attachments: HBASE-11054.patch, HBASE-11054_1.patch
>
>
> In case of Visibility labels, to support deletes we need to consider the visibility expression
per version inorder to identify the matching visibility expression.  
> Tracking the visibility tags along with the delete tracker would make things easier rather
than handling during scans/compactions.



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