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Posted to issues@hbase.apache.org by "Matteo Bertozzi (JIRA)" <ji...@apache.org> on 2014/11/19 00:59:34 UTC

[jira] [Created] (HBASE-12529) Use ThreadLocalRandom for RandomQueueBalancer

Matteo Bertozzi created HBASE-12529:
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             Summary: Use ThreadLocalRandom for RandomQueueBalancer
                 Key: HBASE-12529
                 URL: https://issues.apache.org/jira/browse/HBASE-12529
             Project: HBase
          Issue Type: Improvement
          Components: IPC/RPC
    Affects Versions: 0.98.6.1, 0.99.1, 2.0.0
            Reporter: Matteo Bertozzi
            Assignee: Matteo Bertozzi
            Priority: Minor
             Fix For: 2.0.0, 0.98.9, 0.99.2
         Attachments: HBASE-12529-v0.patch

looks like the Random in RandomQueueBalancer is now the main cause of contention in the rpc queue insertion. we should replace that Random with  a ThreadLocalRandom.



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