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https://issues.apache.org/jira/browse/HBASE-16652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15502190#comment-15502190
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Phil Yang commented on HBASE-16652:
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In append we use arraycopy to merge the bytes and in increment we have to
deserialize two Long (current and delta) and serialize the sum. Maybe this is
the difference?
> 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: append.jfr, increment.jfr
>
>
> 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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