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https://issues.apache.org/jira/browse/HBASE-15479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15200802#comment-15200802
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Enis Soztutar commented on HBASE-15479:
---------------------------------------

Nice finding. {{HRegionInfo}} is unfortunately a client-public class, so we 
cannot do the fix as is in branch-1 code bases. I remember there was a recent 
issue to fix this particular Map to be not regionId based, but regionName 
based. 

> No more garbage or beware of autoboxing
> ---------------------------------------
>
>                 Key: HBASE-15479
>                 URL: https://issues.apache.org/jira/browse/HBASE-15479
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 2.0.0
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>             Fix For: 2.0.0
>
>         Attachments: HBASE-15479-v1.patch
>
>
> Quick journey with JMC in a profile mode revealed very interesting and 
> unexpected heap polluter on a client side. Patch will shortly follow. 



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