zstd:chunked        is        a        variant       of       the
application/vnd.oci.image.layer.v1.tar+zstd media type that  uses
⟨https://github.com/facebook/zstd/blob/dev/doc/zstd_compression_format.md#skippable−frames⟩
changes to containers‐storage.conf:

[storage.overlay.pull_options]  enable_partial_images  = "true" |
"false"
Each  layer  has  an  associated  "big  data" key called chunked‐
manifest‐cache that is a custom binary format suitable for mmap()
zstd:chunked).
using chunked‐manifest‐cache to see if they contain a file with a
use_hardlinks  =  "true", otherwise it is reflinked (if supported
(see ⟨https://github.com/containers/storage/issues/2017⟩).
⟨https://github.com/containers/storage/blob/39d469c34c96db67062e25954bc9d18f2bf6dae3/pkg/chunked/internal/compression.go⟩.
implementation.

https://github.com/containers/storage/issues?q=is%3Aissue+label%3Aarea%2Fzstd%3Achunked+is%3Aopen
core   value   of  open  source.   The  master  and  slave  mount
immediately.