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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-11970) Replace uses of ThreadLocal<Random> with ThreadLocalRandom on branches that are JDK7+
Date Thu, 14 May 2015 22:19:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-11970?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Busbey updated HADOOP-11970:
---------------------------------
    Status: Patch Available  (was: Open)

> Replace uses of ThreadLocal<Random> with ThreadLocalRandom on branches that are
JDK7+
> -------------------------------------------------------------------------------------
>
>                 Key: HADOOP-11970
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11970
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Sean Busbey
>            Assignee: Sean Busbey
>         Attachments: HADOOP-11970.1.patch, HADOOP-11970.2.patch
>
>
> ThreadLocalRandom should be used when available in place of ThreadLocal<Random>.
For JDK7 the difference is minimal, but JDK8 starts including optimizations for ThreadLocalRandom.



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