How to speed up ray.get() to get a large object from another node？

[fighterhit]

There is an 800MB object on one node. The actor on this node first calls ref=ray.put(obj), and then passes the returned object reference to the actor on another node. The actor obtains the object through ray.get(ref), but sometimes it exceeds 2 minutes, this is incredible, what could be the reason for this? Is there any way to speed up the ray.get(ref)? Or is there a way to pass the object to another node in advance?