I guess if checkpointing is set up correctly and your runtime is saved to a docker image it’s feasible. Probably not going to get a 3 hour continuous chunk of time I would assume.
>>janals+(OP)
I use spot for my gmod server. Contention is higher for GPU, but I only saw disruptions maybe once every 2 months for super common instance types. We scale up and down more frequently than we get disrupted.