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https://issues.apache.org/jira/browse/HBASE-9976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13825558#comment-13825558
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Ted Yu commented on HBASE-9976:
-------------------------------

Ah, I used jdk 1.6 :-)

> Don't create duplicated TableName objects
> -----------------------------------------
>
>                 Key: HBASE-9976
>                 URL: https://issues.apache.org/jira/browse/HBASE-9976
>             Project: HBase
>          Issue Type: Bug
>          Components: Client, regionserver
>    Affects Versions: 0.98.0, 0.96.0
>            Reporter: Nicolas Liochon
>            Assignee: Nicolas Liochon
>             Fix For: 0.98.0, 0.96.1
>
>         Attachments: 9976.v1.patch, 9976.v4.patch, 9976.v6.patch
>
>
> A profiling show that the table name is reponsible for 25% of the memory 
> needed to keep the region locations. As well, comparisons will be faster if 
> two identical table names are a single java object.



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