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https://issues.apache.org/jira/browse/HBASE-12839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14274613#comment-14274613
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Hudson commented on HBASE-12839:
--------------------------------

SUCCESS: Integrated in HBase-TRUNK #6014 (See 
[https://builds.apache.org/job/HBase-TRUNK/6014/])
HBASE-12839 Remove synchronization in ServerStatisticsTracker (apurtell: rev 
c32a2c0b16b1d7e41fd0ad4a2737b7f0f2806c82)
* 
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ServerStatisticTracker.java


> Remove synchronization in ServerStatisticsTracker
> -------------------------------------------------
>
>                 Key: HBASE-12839
>                 URL: https://issues.apache.org/jira/browse/HBASE-12839
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 2.0.0
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-12839.patch, HBASE-12839.patch
>
>
> Remove synchronization in ServerStatisticTracker. We can use putIfAbsent 
> instead of a synchronized block to add ServerStatistic objects to the 
> concurrent statistics hashmap. 



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