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https://issues.apache.org/jira/browse/HBASE-6270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14268366#comment-14268366
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Cosmin Lehene commented on HBASE-6270:
--------------------------------------

[[email protected]], this seems a potentially interesting one. Would it worh 
a refresh?

> If all data is locally cached, undo locking and context switching so we are 
> cpu bound
> -------------------------------------------------------------------------------------
>
>                 Key: HBASE-6270
>                 URL: https://issues.apache.org/jira/browse/HBASE-6270
>             Project: HBase
>          Issue Type: Bug
>          Components: Performance
>            Reporter: stack
>
> See Dhruba's blog here towards the end where he talks about HBase: 
> http://hadoopblog.blogspot.com.es/2012/05/hadoop-and-solid-state-drives.html
> He says that when all data is local and cached, we bind ourselves up with 
> locks and context switching, so much so, that we are unable to use all CPU.  



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