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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Work logged] (HIVE-21426) Remove Utilities Global Random
Date Mon, 11 Mar 2019 19:10:00 GMT


ASF GitHub Bot logged work on HIVE-21426:

                Author: ASF GitHub Bot
            Created on: 11/Mar/19 19:09
            Start Date: 11/Mar/19 19:09
    Worklog Time Spent: 10m 
      Work Description: BELUGABEHR commented on pull request #565: HIVE-21426: Remove Utilities
Global Random
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Issue Time Tracking

            Worklog Id:     (was: 211227)
            Time Spent: 10m
    Remaining Estimate: 0h

> Remove Utilities Global Random
> ------------------------------
>                 Key: HIVE-21426
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2
>    Affects Versions: 4.0.0, 3.2.0
>            Reporter: David Mollitor
>            Assignee: David Mollitor
>            Priority: Minor
>              Labels: pull-request-available
>         Attachments: HIVE-21426.1.patch
>          Time Spent: 10m
>  Remaining Estimate: 0h
> Remove global {{Random}} object in favor of {{ThreadLocalRandom}}.
> {quote}
> ThreadLocalRandom is initialized with an internally generated seed that may not otherwise
be modified. When applicable, use of ThreadLocalRandom rather than shared Random objects in
concurrent programs will typically encounter much less overhead and contention.
> {quote}

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