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https://issues.apache.org/jira/browse/HBASE-13379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14390785#comment-14390785
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Matteo Bertozzi commented on HBASE-13379:
-----------------------------------------

did you see HBASE-12148? [~stack] tried different implementations, even one 
with the atomic

> TimeRangeTracker Can Be Non-Blocking
> ------------------------------------
>
>                 Key: HBASE-13379
>                 URL: https://issues.apache.org/jira/browse/HBASE-13379
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: John Leach
>            Priority: Minor
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> I am seeing the TimeRangeTracker hotspot under heavy write load.  It looks 
> like a good use case for an atomic reference for the data point (min and max 
> timestamp).  I have a working proto, will submit patch for consideration once 
> I run this test suite (beast).



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