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Posted to issues@mesos.apache.org by "James Peach (JIRA)" <ji...@apache.org> on 2019/07/23 01:01:00 UTC

[jira] [Created] (MESOS-9900) Include overlays upperdir in disk quota accounting.

James Peach created MESOS-9900:
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             Summary: Include overlays upperdir in disk quota accounting.
                 Key: MESOS-9900
                 URL: https://issues.apache.org/jira/browse/MESOS-9900
             Project: Mesos
          Issue Type: Improvement
          Components: containerization, storage
            Reporter: James Peach


Currently, the overlayfs upperdir is not included in any disk quota accounting. This means that a task can write arbitrary amounts of data to /tmp and will escape the sandbox disk quota.

Propose that we propagate the overlayfs upperdir directory to the disk isolators so that they can manage this storage, and include it in the total sandbox usage quota. This would need to be supported by both {{disk/du}} and {{disk/xfs}} isolators. We should be able to propagate the additional information out of the provisioner in {{ProvisionInfo}} and then into {{ContainerConfig}}.

The proposed semantics would be that both the sandbox and overlayfs upperdir usage would count towards the ephemeral disk quota.



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