From 535f8c8f7d64d4058500a5988278fd3026645164 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Fri, 30 Sep 2022 17:40:33 +0100 Subject: [PATCH] Skip filtering during push if there are no push actions (#13992) --- changelog.d/13992.misc | 1 + synapse/push/bulk_push_rule_evaluator.py | 5 +++++ synapse/visibility.py | 4 ++++ tests/rest/client/test_rooms.py | 4 ++-- 4 files changed, 12 insertions(+), 2 deletions(-) create mode 100644 changelog.d/13992.misc diff --git a/changelog.d/13992.misc b/changelog.d/13992.misc new file mode 100644 index 0000000000..58150a2b35 --- /dev/null +++ b/changelog.d/13992.misc @@ -0,0 +1 @@ +Speed up calculating push actions in large rooms. diff --git a/synapse/push/bulk_push_rule_evaluator.py b/synapse/push/bulk_push_rule_evaluator.py index 7bfe380543..4270438918 100644 --- a/synapse/push/bulk_push_rule_evaluator.py +++ b/synapse/push/bulk_push_rule_evaluator.py @@ -332,6 +332,11 @@ class BulkPushRuleEvaluator: # Push rules say we should notify the user of this event actions_by_user[uid] = actions + # If there aren't any actions then we can skip the rest of the + # processing. + if not actions_by_user: + return + # This is a check for the case where user joins a room without being # allowed to see history, and then the server receives a delayed event # from before the user joined, which they should not be pushed for diff --git a/synapse/visibility.py b/synapse/visibility.py index c810a05907..c4048d2477 100644 --- a/synapse/visibility.py +++ b/synapse/visibility.py @@ -162,6 +162,10 @@ async def filter_event_for_clients_with_state( if event.internal_metadata.is_soft_failed(): return [] + # Fast path if we don't have any user IDs to check. + if not user_ids: + return () + # Make a set for all user IDs that haven't been filtered out by a check. allowed_user_ids = set(user_ids) diff --git a/tests/rest/client/test_rooms.py b/tests/rest/client/test_rooms.py index e281aef779..7f8cf4fab0 100644 --- a/tests/rest/client/test_rooms.py +++ b/tests/rest/client/test_rooms.py @@ -710,7 +710,7 @@ class RoomsCreateTestCase(RoomBase): self.assertEqual(HTTPStatus.OK, channel.code, channel.result) self.assertTrue("room_id" in channel.json_body) assert channel.resource_usage is not None - self.assertEqual(35, channel.resource_usage.db_txn_count) + self.assertEqual(34, channel.resource_usage.db_txn_count) def test_post_room_initial_state(self) -> None: # POST with initial_state config key, expect new room id @@ -723,7 +723,7 @@ class RoomsCreateTestCase(RoomBase): self.assertEqual(HTTPStatus.OK, channel.code, channel.result) self.assertTrue("room_id" in channel.json_body) assert channel.resource_usage is not None - self.assertEqual(38, channel.resource_usage.db_txn_count) + self.assertEqual(37, channel.resource_usage.db_txn_count) def test_post_room_visibility_key(self) -> None: # POST with visibility config key, expect new room id