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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8220) can we record the count opened HTable for HTablePool
Date Mon, 15 Apr 2013 22:14:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13632276#comment-13632276
] 

Hadoop QA commented on HBASE-8220:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12578345/HBASE-8220-0.94.3-v5.txt
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 3 new or modified
tests.

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/5318//console

This message is automatically generated.
                
> 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
>            Reporter: cuijianwei
>            Assignee: cuijianwei
>         Attachments: HBASE-8220-0.94.3.txt, HBASE-8220-0.94.3.txt, HBASE-8220-0.94.3.txt-v2,
HBASE-8220-0.94.3-v2.txt, HBASE-8220-0.94.3-v3.txt, HBASE-8220-0.94.3-v4.txt, HBASE-8220-0.94.3-v5.txt
>
>
> 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.

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