[jira] [Created] (MESOS-5921) `validate` is a bit heavy to check negative scalar resource

["Guangya Liu (JIRA)" <ji...@apache.org>]

Guangya Liu created MESOS-5921:
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             Summary: `validate` is a bit heavy to check negative scalar resource
                 Key: MESOS-5921
                 URL: https://issues.apache.org/jira/browse/MESOS-5921
             Project: Mesos
          Issue Type: Bug
            Reporter: Guangya Liu
            Assignee: Guangya Liu


When subtract resources finished, we need to call {{Resources::validate}} to check if the scalar resource is negative so as to remove this resource if it is negative. This is a bit heavy as the {{Resources::validate}} did many validation stuffs, such as checking type, validating role, checking resource name etc, all of them are not necessary.

We should introduce a new helper function {{isNegative}} to check if the resource is a negative scalar resource.



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