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Posted to issues@hbase.apache.org by "Yechao Chen (JIRA)" <ji...@apache.org> on 2017/09/08 05:28:00 UTC
[jira] [Updated] (HBASE-18772) [JDK8] Replace AtomicLong with
LongAdder
[ https://issues.apache.org/jira/browse/HBASE-18772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yechao Chen updated HBASE-18772:
--------------------------------
Summary: [JDK8] Replace AtomicLong with LongAdder (was: [JDK8] Replace AuomicLog with LongAdder)
> [JDK8] Replace AtomicLong 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
>
>
> RCurrently we use many AtomicLong in HBase Region Code ,such as BucketCache calss realCacheSize,heapSize,blockNumber,accessCount and HRegion calss compactionNumBytesCompacted etc .
> In JDK8 LongAdder is faster than AtomicLong ,should use this replace AtomicLong
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