Revert "Revert "Enable Ray client server by default (#13350)" (#13429)" (#13442)

* Revert "Revert "Enable Ray client server by default (#13350)" (#13429)"

This reverts commit 560299972c.

* fix job id collision with ray client server

python/ray/scripts/scripts.py

@@ -285,7 +285,7 @@ def debug(address):
     "--ray-client-server-port",
     required=False,
     type=int,
-    default=None,
+    default=10001,
     help="the port number the ray client server will bind on. If not set, "
     "the ray client server will not be started.")
 @click.option(

python/ray/tests/test_job.py

@@ -33,7 +33,7 @@ _ = Actor.remote()
     assert len(actor_table) == 1
 
     job_table = ray.jobs()
-    assert len(job_table) == 2
+    assert len(job_table) == 3  # dash, ray client server
 
     # Kill the driver process.
     p.kill()
@@ -79,7 +79,7 @@ ray.get(_.value.remote())
     assert len(actor_table) == 1
 
     job_table = ray.jobs()
-    assert len(job_table) == 2
+    assert len(job_table) == 3  # dash, ray client server
 
     # Kill the driver process.
     p.kill()