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https://issues.apache.org/jira/browse/HBASE-4583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13491817#comment-13491817
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Varun Sharma commented on HBASE-4583:
-------------------------------------

I am more +1 on the less radical patch - the more frequent flushing and tiny 
HFiles means that counters are now using a much larger fraction of the memstore 
as opposed to before. Also, more hfiles means that data will be more fragmented 
on disk until compaction happens.
                
> Integrate RWCC with Append and Increment operations
> ---------------------------------------------------
>
>                 Key: HBASE-4583
>                 URL: https://issues.apache.org/jira/browse/HBASE-4583
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>             Fix For: 0.96.0
>
>         Attachments: 4583-trunk-less-radical.txt, 
> 4583-trunk-less-radical-v2.txt, 4583-trunk-less-radical-v3.txt, 
> 4583-trunk-less-radical-v4.txt, 4583-trunk-less-radical-v5.txt, 
> 4583-trunk-less-radical-v6.txt, 4583-trunk-radical.txt, 
> 4583-trunk-radical_v2.txt, 4583-trunk-v3.txt, 4583.txt, 4583-v2.txt, 
> 4583-v3.txt, 4583-v4.txt
>
>
> Currently Increment and Append operations do not work with RWCC and hence a 
> client could see the results of multiple such operation mixed in the same 
> Get/Scan.
> The semantics might be a bit more interesting here as upsert adds and removes 
> to and from the memstore.

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