import gc import multiprocessing bind = "0.0.0.0:23456" # workers = multiprocessing.cpu_count() workers = 1 preload_app = True # disable GC in master as early as possible gc.disable() def when_ready(server): # freeze objects after preloading app gc.freeze() print("Objects frozen in perm gen: ", gc.get_freeze_count()) def post_fork(server, worker): # reenable GC on worker gc.enable()