Adjust server tolerance to frequent keepalive pings

CHANGELOG.rst

@@ -19,6 +19,17 @@ See the fragment files in the `changelog.d directory`_.
 
 .. scriv-insert-here
 
+.. _changelog-0.7.9:
+
+0.7.9 — 2024-02-12
+==================
+
+Fixed
+-----
+
+- Adjusted server tolenace to more frequent keepalive pings, mitigating
+  ``ENHANCE_YOUR_CALM`` errors by allowing shorter intervals between pings.
+
 .. _changelog-0.7.8:
 
 0.7.8 - 2024-02-12

a3m/__init__.py

@@ -1,3 +1,3 @@
-__version__ = "0.7.8"
+__version__ = "0.7.9"
 
 __all__ = ["__version__"]

a3m/server/runner.py

@@ -89,7 +89,15 @@ def __init__(
             debug=debug,
         )
         self.grpc_executor = grpc_executor
-        self.grpc_server = grpc.server(grpc_executor)
+        self.grpc_server = grpc.server(
+            grpc_executor,
+            options=[
+                # Adjusted server tolerance to more frequent keepalive pings,
+                # mitigating ENHANCE_YOUR_CALM errors by allowing shorter
+                # intervals between pings.
+                ("grpc.http2.min_ping_interval_without_data_ms", 100),
+            ],
+        )
         self.grpc_port = self.grpc_server.add_insecure_port(bind_address)
 
         self._mount_services()