Issue #13565: Increase multiprocessing's server socket backlog, to avoid
dropped connections in case of simultaneous connection requests.
diff --git a/Lib/multiprocessing/managers.py b/Lib/multiprocessing/managers.py
index 5a57288..5588ead 100644
--- a/Lib/multiprocessing/managers.py
+++ b/Lib/multiprocessing/managers.py
@@ -162,7 +162,7 @@
Listener, Client = listener_client[serializer]
# do authentication later
- self.listener = Listener(address=address, backlog=5)
+ self.listener = Listener(address=address, backlog=16)
self.address = self.listener.address
self.id_to_obj = {'0': (None, ())}