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https://issues.apache.org/jira/browse/HBASE-10449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14791135#comment-14791135
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stack commented on HBASE-10449:
-------------------------------

That makes sense. What happens if query happens if query every second: i.e. so 
there are periods when we have more queries than coreSize? Do the > coreSize 
query go in queue or do we make new threads to handle them? If latter, good, if 
former bad. Let me look at other issue.

> Wrong execution pool configuration in HConnectionManager
> --------------------------------------------------------
>
>                 Key: HBASE-10449
>                 URL: https://issues.apache.org/jira/browse/HBASE-10449
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 0.98.0, 0.99.0, 0.96.1.1
>            Reporter: Nicolas Liochon
>            Assignee: Nicolas Liochon
>            Priority: Critical
>             Fix For: 0.98.0, 0.96.2, 0.99.0
>
>         Attachments: HBASE-10449.v1.patch
>
>
> There is a confusion in the configuration of the pool. The attached patch 
> fixes this. This may change the client performances, as we were using a 
> single thread.



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