[Podman] Re: couple questions about "podman pause"

On 2020-01-29 10:56, Robert P. J. Day wrote: >On Wed, 29 Jan 2020, Tom Sweeney wrote: > >> I'll give it a try, if Dan or Matt say differently, go with them. >> >> `podman pause` pauses the processes in the container and puts the >> container into the "Paused" state. You can kind of think of it as a >> flash freeze of the container. The `podman unpause` command >> unpauses the container and let's the processes continue running from >> the point they were at when they were paused. >> >> `podman stop` is a bigger hammer. It kills all the processes within >> the container and puts the container into the "Exited" state. The >> container can be restarted with `podman start` and all the processes >> in the container will have to restart from scratch. > > after playing for a bit, i did figure out most of this ... the one >thing i *think* i verified and that would be worth putting in "man >podman-stop" is that the overlay read-write layer is discarded upon >stopping, so all changes during that session are thrown away (i >verified this with "podman inspect" and "python -m json.tool"). That sounds wrong - we shouldn't discard container changes until it's removed. If it's doing that, it's 100% a bug.