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https://issues.apache.org/jira/browse/HBASE-16652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15502851#comment-15502851
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Heng Chen commented on HBASE-16652:
-----------------------------------

Let me test it again with cache closed.  

> Figure out performance difference between increment and append
> --------------------------------------------------------------
>
>                 Key: HBASE-16652
>                 URL: https://issues.apache.org/jira/browse/HBASE-16652
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Heng Chen
>              Labels: performance
>         Attachments: HBASE-16652.patch, append.jfr, append_get_profile.png, 
> increment.jfr, increment_get_profile.png
>
>
> When do performance test in HBASE-16625,  i found it has the very big 
> difference between Append and Increment (append is about 37% faster than 
> increment).
> As [~stack] mentioned in 
> https://issues.apache.org/jira/browse/HBASE-16610?focusedCommentId=15493166&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15493166,
>    append and increment has been unified in server-side,  and they looks the 
> same in client-side. 
> This issue is to figure out why the performance looks different between them.



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