RAvailable to debug whenever
RWhat's likely to have happened is that a job took all the memory and your whole instance was OOM. I would have thought the OOM killer would trigger in those case but it depends on your setup, It's possible to set memory limit in docker compose:
e.g
e.g
Rbut what's odd is that kernel oom should have triggered, which would have resulted in one container being killed: https://docs.docker.com/config/containers/resource_constraints/#understand-the-risks-of-running-out-of-memory
Docker Documentation
Specify the runtime options for a container
Rif it's truly oom then even ssh cannot allocate any memory