Containerd

This article describes the status of checkpoint/restore integration with containerd, and how to use it.

Container Checkpoint/Restore

Create a container with ID "looper" based on the "ubuntu:latest" image.

ctr image pull docker.io/library/ubuntu:latest
ctr run -d docker.io/library/ubuntu:latest looper /bin/sh -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 1; done'

ctr containers checkpoint looper cr0

ctr task kill -s SIGKILL looper
ctr task rm looper

ctr containers rm looper