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https://issues.apache.org/jira/browse/HBASE-9775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13815341#comment-13815341
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stack commented on HBASE-9775:
------------------------------

bq, I've tried it myself (exactly the same approach), but I didn't see a real 
difference. Do you see one in your tests?

Minor (Certain allocation hotspots went from 3% to 2.4% in my extreme 
allocation test which probably means close to zero diff).  I left it in since 
on the face of it there are less allocations.

I'll commit this since the rig can be useful.  Want to do some comment/javadoc 
first though. 

> Client write path perf issues
> -----------------------------
>
>                 Key: HBASE-9775
>                 URL: https://issues.apache.org/jira/browse/HBASE-9775
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 0.96.0
>            Reporter: Elliott Clark
>            Priority: Critical
>         Attachments: 9775.rig.txt, 9775.rig.v2.patch, 9775.rig.v3.patch, 
> Charts Search   Cloudera Manager - ITBLL.png, Charts Search   Cloudera 
> Manager.png, hbase-9775.patch, job_run.log, short_ycsb.png, ycsb.png, 
> ycsb_insert_94_vs_96.png
>
>
> Testing on larger clusters has not had the desired throughput increases.



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