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https://issues.apache.org/jira/browse/HBASE-10115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13844163#comment-13844163
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Anoop Sam John commented on HBASE-10115:
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Can u tell the exact use case in your mind? Can a Scanner wrapper do the work?
We have used wrapper to do some extra work during compaction. I forgot now the
details of that.
> Add a hook for compaction deletes
> ---------------------------------
>
> Key: HBASE-10115
> URL: https://issues.apache.org/jira/browse/HBASE-10115
> Project: HBase
> Issue Type: Bug
> Components: Compaction, Coprocessors
> Affects Versions: 0.99.0
> Reporter: Jean-Marc Spaggiari
> Priority: Minor
>
> The idea is to add a hook to coprocessors to be able to get triggered when
> compaction delete a cell before of the number of versions or the TTL.
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