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From "Matt Warhaftig (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-15802) ConnectionUtils should use ThreadLocalRandom instead of Random
Date Sat, 21 May 2016 16:40:12 GMT

     [ https://issues.apache.org/jira/browse/HBASE-15802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matt Warhaftig resolved HBASE-15802.
------------------------------------
    Resolution: Fixed
      Assignee: Matt Warhaftig

>  ConnectionUtils should use ThreadLocalRandom instead of Random
> ---------------------------------------------------------------
>
>                 Key: HBASE-15802
>                 URL: https://issues.apache.org/jira/browse/HBASE-15802
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Hiroshi Ikeda
>            Assignee: Matt Warhaftig
>            Priority: Minor
>
> {code}
> public final class ConnectionUtils {
> ...skip...
>   private static final Random RANDOM = new Random();
> {code}
> In general, static fields are accessed by multi-threads. The class Random is thread-safe
but ThreadLocalRandom is more preferable because of less contention.



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