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https://issues.apache.org/jira/browse/YARN-6526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17107317#comment-17107317
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Bilwa S T commented on YARN-6526:
---------------------------------

Hi [~brahmareddy] 

this is metrics is to check how many connections were made.  So this is 
basically added to verify connection count. 

> Refactoring SQLFederationStateStore by avoiding to recreate a connection at 
> every call
> --------------------------------------------------------------------------------------
>
>                 Key: YARN-6526
>                 URL: https://issues.apache.org/jira/browse/YARN-6526
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: federation
>            Reporter: Giovanni Matteo Fumarola
>            Assignee: Bilwa S T
>            Priority: Major
>             Fix For: 3.4.0
>
>         Attachments: YARN-6526.001.patch, YARN-6526.002.patch, 
> YARN-6526.003.patch, YARN-6526.004.patch, YARN-6526.005.patch, 
> YARN-6526.006.patch, YARN-6526.007.patch
>
>




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