[jira] [Commented] (MESOS-4198) Disk Resource Reservation is NOT Enforced for Persistent Volumes

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

    [ https://issues.apache.org/jira/browse/MESOS-4198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15064998#comment-15064998 ] 

Gabriel Hartmann commented on MESOS-4198:
-----------------------------------------

Disk quotas are enforced when you launch tasks, but not for persistent volumes:

https://github.com/apache/mesos/blob/3539b7a0e15b594148308319bf052d28b1429b98/src/slave/containerizer/mesos/isolators/posix/disk.cpp#L174

I've changed the title to reflect this.

> Disk Resource Reservation is NOT Enforced for Persistent Volumes
> ----------------------------------------------------------------
>
>                 Key: MESOS-4198
>                 URL: https://issues.apache.org/jira/browse/MESOS-4198
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Gabriel Hartmann
>              Labels: isolation, mesosphere, persistent-volumes, reservations
>
> If I create a persistent volume on a reserved disk resource, I am able to write data in excess of my reserved size.
> Disk resource reservation should be enforced just as "cpus" and "mem" reservations are enforced.



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