Remove ref counting dependencies on ray.get() (#6412)

* Remove ref counting dependencies on Get()

* comment

* don't send IDs when disabled

* pass through internal config

* fix

* allow reinit

* remove flag

python/ray/workers/default_worker.py

@@ -3,6 +3,7 @@ from __future__ import division
 from __future__ import print_function
 
 import argparse
+import json
 
 import ray
 import ray.actor
@@ -55,6 +56,12 @@ parser.add_argument(
     type=str,
     default=ray_constants.LOGGER_FORMAT,
     help=ray_constants.LOGGER_FORMAT_HELP)
+parser.add_argument(
+    "--config-list",
+    required=False,
+    type=str,
+    default=None,
+    help="Override internal config options for the worker process.")
 parser.add_argument(
     "--temp-dir",
     required=False,
@@ -77,6 +84,15 @@ if __name__ == "__main__":
 
     ray.utils.setup_logger(args.logging_level, args.logging_format)
 
+    internal_config = {}
+    if args.config_list is not None:
+        config_list = args.config_list.split(",")
+        if len(config_list) > 1:
+            i = 0
+            while i < len(config_list):
+                internal_config[config_list[i]] = config_list[i + 1]
+                i += 2
+
     ray_params = RayParams(
         node_ip_address=args.node_ip_address,
         node_manager_port=args.node_manager_port,
@@ -86,7 +102,9 @@ if __name__ == "__main__":
         raylet_socket_name=args.raylet_name,
         temp_dir=args.temp_dir,
         load_code_from_local=args.load_code_from_local,
-        use_pickle=args.use_pickle)
+        use_pickle=args.use_pickle,
+        _internal_config=json.dumps(internal_config),
+    )
 
     node = ray.node.Node(
         ray_params,
@@ -95,5 +113,6 @@ if __name__ == "__main__":
         spawn_reaper=False,
         connect_only=True)
     ray.worker._global_node = node
-    ray.worker.connect(node, mode=ray.WORKER_MODE)
+    ray.worker.connect(
+        node, mode=ray.WORKER_MODE, internal_config=internal_config)
     ray.worker.global_worker.main_loop()