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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