This article describes the status of checkpoint/restore integration with containerd, and how to use it.
Container Checkpoint/Restore
Pull "ubuntu:latest" image if not already available locally.
ctr image pull docker.io/library/redis:alpine
Create and run a container with ID "looper"
ctr run --runtime io.containerd.runc.v1 -d docker.io/library/redis:alpine redis
Create container checkpoint
ctr c checkpoint --rw --task redis checkpoint/redis:20211011
Restore container from checkpoint
ctr c restore redis-debug checkpoint/redis:20211011