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Posted to yarn-dev@hadoop.apache.org by "BELUGA BEHR (JIRA)" <ji...@apache.org> on 2018/04/11 12:30:00 UTC

[jira] [Created] (YARN-8146) Remove LinkedList From resourcemanager.reservation.planning Package

BELUGA BEHR created YARN-8146:
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             Summary: Remove LinkedList From resourcemanager.reservation.planning Package
                 Key: YARN-8146
                 URL: https://issues.apache.org/jira/browse/YARN-8146
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: reservation system
    Affects Versions: 3.0.1
            Reporter: BELUGA BEHR


Remove {{LinkedList}} instances in favor of {{ArrayList}}.  {{ArrayList}} is generally more memory efficient, require less memory fragmentation, and with memory localization, faster to iterate.



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