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Posted to issues@mesos.apache.org by "Artem Harutyunyan (JIRA)" <ji...@apache.org> on 2016/05/27 21:42:12 UTC
[jira] [Updated] (MESOS-5081) Posix disk isolator allows
unrestricted sandbox disk usage if the executor/task doesn't specify disk
resource
[ https://issues.apache.org/jira/browse/MESOS-5081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Artem Harutyunyan updated MESOS-5081:
-------------------------------------
Fix Version/s: (was: 0.29.0)
> Posix disk isolator allows unrestricted sandbox disk usage if the executor/task doesn't specify disk resource
> -------------------------------------------------------------------------------------------------------------
>
> Key: MESOS-5081
> URL: https://issues.apache.org/jira/browse/MESOS-5081
> Project: Mesos
> Issue Type: Bug
> Components: containerization
> Reporter: Yan Xu
> Labels: mesosphere
>
> This is the case even if {{flags.enforce_container_disk_quota}} is true. When a task/executor doesn't specify a disk resource, it still gets to write to the container sandbox. However the posix disk isolator doesn't limit it.
> Even though tasks always have access to the sandbox, it should be able to write zero bytes if it doesn't have any {{disk}} resource (it can still touch files). This likely will cause tasks to immediately fail due to stdout/stderr/executor download, etc. but should be the correct behavior (when {{flags.enforce_container_disk_quota}} is true).
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