Define delayed event ratelimit category (#18019)

Apply ratelimiting on delayed event management separately from messages.

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---------

Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/synapse/config/ratelimiting.py b/synapse/config/ratelimiting.py

index 06af4da3c5..eb1dc2dacb 100644
--- a/synapse/config/ratelimiting.py
+++ b/synapse/config/ratelimiting.py
@@ -234,3 +234,9 @@ class RatelimitConfig(Config):
             "rc_presence.per_user",
             defaults={"per_second": 0.1, "burst_count": 1},
         )
+
+        self.rc_delayed_event_mgmt = RatelimitSettings.parse(
+            config,
+            "rc_delayed_event_mgmt",
+            defaults={"per_second": 1, "burst_count": 5},
+        )