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https://issues.apache.org/jira/browse/HBASE-18772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-18772:
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Fix Version/s: (was: 2.0.0-alpha-3)
2.0.0-beta-1
> [JDK8] Replace AuomicLog with LongAdder
> ----------------------------------------
>
> Key: HBASE-18772
> URL: https://issues.apache.org/jira/browse/HBASE-18772
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 2.0.0-alpha-2
> Reporter: Yechao Chen
> Assignee: Yechao Chen
> Priority: Trivial
> Fix For: 2.0.0-beta-1
>
>
> 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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