Hi AgitatedDove14 !

there is no more storage left to run all those subprocesses

I see. Does this mean the /tmp directory? I might be a little unfamiliar here.
Also, why is so much storage space required to run the subprocesses (nodes)? The run_pipeline_steps_locally flag is set to False (by default) in controller_object.start_locally() . Only the pipelinecontroller should be running locally, right?

This is the maximum simultaneous jobs it will try to launch (it will launch more after the launching is doe, notice not the actual execution) but this is just a way to limit it.

Thanks for the explanation here!