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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-12529) Use ThreadLocalRandom for RandomQueueBalancer
Date Wed, 19 Nov 2014 10:31:34 GMT

     [ https://issues.apache.org/jira/browse/HBASE-12529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matteo Bertozzi updated HBASE-12529:
------------------------------------
    Attachment:     (was: RandTest.java)

> 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: 2.0.0, 0.99.1, 0.98.6.1
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>            Priority: Minor
>             Fix For: 2.0.0, 0.98.9, 0.99.2
>
>         Attachments: HBASE-12529-0.98-v1.patch, HBASE-12529-v0.patch, HBASE-12529-v1.patch,
RandTest.java
>
>
> 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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