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https://issues.apache.org/jira/browse/MESOS-2971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14981443#comment-14981443
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Mei Wan commented on MESOS-2971:
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[~jieyu] I've written a simple test and it passes! Let me know if there's
anything else I need to do before submitting a pull request?
> Implement OverlayFS based provisioner backend
> ---------------------------------------------
>
> Key: MESOS-2971
> URL: https://issues.apache.org/jira/browse/MESOS-2971
> Project: Mesos
> Issue Type: Improvement
> Reporter: Timothy Chen
> Assignee: Mei Wan
> Labels: twitter
>
> Part of the image provisioning process is to call a backend to create a root
> filesystem based on the image on disk layout.
> The problem with the copy backend is that it's both waste of IO and space,
> and bind only can deal with one layer.
> Overlayfs backend allows us to utilize the filesystem to merge multiple
> filesystems into one efficiently.
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