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https://issues.apache.org/jira/browse/HBASE-15539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15213172#comment-15213172
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Vladimir Rodionov commented on HBASE-15539:
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During end - to - end test run, these two methods account for 30%!!! of overall
CPU time.
> HBase Client region location is expensive
> ------------------------------------------
>
> Key: HBASE-15539
> URL: https://issues.apache.org/jira/browse/HBASE-15539
> Project: HBase
> Issue Type: Bug
> Components: Client
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
> Fix For: 2.0.0
>
>
> ConnectionImplementation.locateRegion and MetaCache.getTableLocations are hot
> spots in a client.
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