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Posted to yarn-issues@hadoop.apache.org by "BELUGA BEHR (JIRA)" <ji...@apache.org> on 2019/02/06 14:27:00 UTC

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

     [ https://issues.apache.org/jira/browse/YARN-8146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

BELUGA BEHR updated YARN-8146:
------------------------------
    Attachment: YARN-8146.2.patch

> 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
>            Assignee: BELUGA BEHR
>            Priority: Trivial
>         Attachments: YARN-8146.1.patch, YARN-8146.2.patch
>
>
> 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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