[jira] [Issue Comment Deleted] (MESOS-9658) Make command-line and/or environment variables be able to unset a flag.

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

     [ https://issues.apache.org/jira/browse/MESOS-9658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gavin updated MESOS-9658:
-------------------------
    Comment: was deleted

(was: www.rtat.net)

> Make command-line and/or environment variables be able to unset a flag.
> -----------------------------------------------------------------------
>
>                 Key: MESOS-9658
>                 URL: https://issues.apache.org/jira/browse/MESOS-9658
>             Project: Mesos
>          Issue Type: Improvement
>            Reporter: Chun-Hung Hsiao
>            Priority: Major
>              Labels: integration
>
> Currently if a Mesos master/agent command-line flag is of type {{Option}}, the only way to leave it as {{None}} is to unset the corresponding {{MESOS_}} environment variable and don't specify the flag. Although this works, it would be nice if the user could:
> 1. Override environment variable through command-line flags, e.g. {{--feature_flag=none}}.
> 2. Override environment variable with another value, e.g., {{MESOS_FEATURE_FLAG=none}}. This is especially useful if users are managing Mesos through systemd and specifying flags through environment files.



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