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Posted to issues@hbase.apache.org by "Yechao Chen (JIRA)" <ji...@apache.org> on 2017/09/07 10:18:00 UTC

[jira] [Created] (HBASE-18772) Replace use AuomicLog with LongAdder

Yechao Chen created HBASE-18772:
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             Summary: Replace use 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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