Communication between two local machines

I have two machines, one with 3 GPUs and a 6-core CPU and the other with a 6-core CPU only. I can train an Ape-X DQN using only the one with 3 GPUs. Now I want the second machine to help collect data, sending data to the replay in the first machine. How can I do that?

Have you solved the questions? I want to know also…Thanks

Nope. To my best knowledge, it seems that I have to learn k8s or something alike.