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Posted to issues@mesos.apache.org by "Meng Zhu (JIRA)" <ji...@apache.org> on 2019/02/27 01:32:00 UTC

[jira] [Assigned] (MESOS-9608) Refactor and Improve `class ResourceQuantity`.

     [ https://issues.apache.org/jira/browse/MESOS-9608?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Meng Zhu reassigned MESOS-9608:
-------------------------------

    Assignee: Meng Zhu

> Refactor and Improve `class ResourceQuantity`.
> ----------------------------------------------
>
>                 Key: MESOS-9608
>                 URL: https://issues.apache.org/jira/browse/MESOS-9608
>             Project: Mesos
>          Issue Type: Improvement
>            Reporter: Meng Zhu
>            Assignee: Meng Zhu
>            Priority: Major
>              Labels: resource-management
>
> Currently, the `ResourceQuantity` only provides a minimal map interface with no built-in arithmetic and contains operations. This makes it unwieldy.
> The intention was to avoid the ambiguities between "absent-means-zero" (guarantee like semantic) and "absent-means-infinite" (limits like semantic). Instead of only providing a minimal interface and leave the rest to the caller, we should provide two classes for each semantic:
> - "ResourceQuantities" will have "absent-means-zero" semantic
> - "ResourceLimits" will  have "absent-means-infinite" semantic



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