Jay Buffington created MESOS-2544:
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Summary: mesos containerizer should allow for container images to
specify dependent layers
Key: MESOS-2544
URL: https://issues.apache.org/jira/browse/MESOS-2544
Project: Mesos
Issue Type: Technical task
Reporter: Jay Buffington
In order to get better cache-hit rates we should allow for stacked container
image layers. The image archive format is the format the image is hosted in.
Examples include docker image format [1] and ACI [2]. Whatever the archive
format, it needs to allow for referencing dependent layers.
The mesos slave needs to pull down the image and its dependent layers and
convert it to a image runtime format. This format could be hard links,
overlayfs[3] or take advantage of device mapper or btrfs features.
[1] https://github.com/docker/docker/blob/master/image/spec/v1.md
[2] https://github.com/appc/spec/blob/master/SPEC.md#app-container-image
[3] https://www.kernel.org/doc/Documentation/filesystems/overlayfs.txt
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