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Posted to issues@hbase.apache.org by "Yechao Chen (JIRA)" <ji...@apache.org> on 2017/09/07 10:21:00 UTC

[jira] [Commented] (HBASE-18772) [JDK8] Replace AuomicLog with LongAdder

    [ 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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