Alexander Larsson

> Ultimately “garbage collection” is going to be problematic either way. _If_ the registry supports deletion at all (many don’t), it won’t by default delete untagged manifests (because digest references...

> > What we could do is have the `deltas` tag (which points to an index of all current delta manifests) be the only thing that refers to delta manifests...

> @alexlarsson You'd simply point the `deltas` tag to a new manifest, which should (in theory) disconnect the old one allowing for GC. This would work on quay, but as...

Also, while on this topic, i would also like a way to get the digest of the config without having to do `skopeo inspect --config --raw | sha256sum`

> But what about access to the parent layers, e.g. due to layer deduplication? Would we be shipping OS images with a baked-in VFS store, where a 10-layer image contains...

Or would zstd-chunked help here?

> > That said, wouldn't we still de duplicating the files in the OCI layer tarballs, making e.g. downloads larger? > > the downside is when you pull an image...

> Doing a `bootc upgrade` with one of these images would be able to take advantage of zstd:chunked though, correct? Technically it should be possible. For example, if a chunked...

I would love to have this feature, but I currently don't have time to review this.

I think using vfs backend is a bad idea btw, at least if you run non-readonly containers, because the vfs driver cannot use overlayfs for the container upper layer. The...