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https://issues.apache.org/jira/browse/HBASE-8220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13617266#comment-13617266
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Jean-Marc Spaggiari commented on HBASE-8220:
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I don't se any issue with adding that. Are you going to provide a patch?
                
> can we record the count opened HTable for HTablePool
> ----------------------------------------------------
>
>                 Key: HBASE-8220
>                 URL: https://issues.apache.org/jira/browse/HBASE-8220
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client
>    Affects Versions: 0.94.3
>         Environment: In HTablePool, we have a method getCurrentPoolSize(...) 
> to get how many opened HTable has been pooled. However, we don't know 
> ConcurrentOpenedHTable which means the count of HTable get from 
> HTablePool.getTable(...) and don't return to HTablePool by 
> PooledTable.close(). The ConcurrentOpenedHTable may be meaningful because it 
> indicates how many HTables should be opened for the application which may 
> help us set the appropriate MaxSize of HTablePool. Therefore, we can and a 
> ConcurrentOpenedHTable as a counter in HTablePool.
>            Reporter: cuijianwei
>


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