Error when Pickling Actor from an imported file

[mannyv]

I have a suspicion it is related to the implicit capture @sangcho describes here but I am not certain.

Best solution to have multiprocess working in actor?

Ray’s multi processing lib should be the drop-in replacement of mp library, but it doesn’t support full APIs. So there’s def possibility your application won’t be ported seamlessly. For your issue, it is highly likely you have implicit capture of un-pickleable object in your actor definition. This is an example of implicit capture. a = object # Imagine this is a lock object @ray.remote class A: def __init(self)__: # In this case, a is captured from the above reference a, it should …