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https://issues.apache.org/jira/browse/HBASE-19095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16221684#comment-16221684
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Duo Zhang commented on HBASE-19095:
-----------------------------------
One way is to not drop cells when doing in memory compaction.
But think of the example in HBASE-19033, if we could do the same aggregating
thing when doing in memory compaction, then we could keep the counter in memory
for ever and greatly increase the performance.
So I think it worth to add the CP hooks support.
Thanks.
> Add CP hooks in RegionObserver for in memory compaction
> -------------------------------------------------------
>
> Key: HBASE-19095
> URL: https://issues.apache.org/jira/browse/HBASE-19095
> Project: HBase
> Issue Type: Sub-task
> Components: Coprocessors
> Reporter: Duo Zhang
> Fix For: 2.0.0-alpha-4
>
>
> This is a hole in our CP hooks.
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