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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2018/03/21 22:13:10 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 ]

stack updated HBASE-18772:
--------------------------
    Fix Version/s: 2.0.0

> [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-alpha-3, 2.0.0
>
>         Attachments: HBASE-18772.master-v2.patch, HBASE-18772.master-v3.patch, HBASE-18772.master-v4.patch, HBASE-18772.master.patch, HBASE-18772.v0.addendum.patch
>
>
> Currently 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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