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From "Yechao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18772) [JDK8] Replace AuomicLog with LongAdder
Date Thu, 07 Sep 2017 10:21:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16156780#comment-16156780
] 

Yechao Chen commented on HBASE-18772:
-------------------------------------

I will submit a patch later

> [JDK8]  Replace AuomicLog with LongAdder
> ----------------------------------------
>
>                 Key: HBASE-18772
>                 URL: https://issues.apache.org/jira/browse/HBASE-18772
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Yechao Chen
>            Assignee: Yechao Chen
>            Priority: Trivial
>
> Currently we use many AtomicLong in HBase Region Code ,such as BucketCache calss realCacheSize,heapSize,blockNumber,accessCount
 and Hegion calss  compactionNumBytesCompacted etc .
> In JDK8 LongAdder  is faster than AtomicLong ,should use this replace  AtomicLong 



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