diff --git a/synapse/replication/http/send_event.py b/synapse/replication/http/send_event.py
index bbe2f967b7..a9baa2c1c3 100644
--- a/synapse/replication/http/send_event.py
+++ b/synapse/replication/http/send_event.py
@@ -23,7 +23,6 @@ from synapse.events.snapshot import EventContext
from synapse.http.servlet import RestServlet, parse_json_object_from_request
from synapse.util.async import sleep
from synapse.util.caches.response_cache import ResponseCache
-from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
from synapse.util.metrics import Measure
from synapse.types import Requester, UserID
@@ -115,20 +114,15 @@ class ReplicationSendEventRestServlet(RestServlet):
self.clock = hs.get_clock()
# The responses are tiny, so we may as well cache them for a while
- self.response_cache = ResponseCache(hs, timeout_ms=30 * 60 * 1000)
+ self.response_cache = ResponseCache(hs, "send_event", timeout_ms=30 * 60 * 1000)
def on_PUT(self, request, event_id):
- result = self.response_cache.get(event_id)
- if not result:
- result = self.response_cache.set(
- event_id,
- self._handle_request(request)
- )
- else:
- logger.warn("Returning cached response")
- return make_deferred_yieldable(result)
-
- @preserve_fn
+ return self.response_cache.wrap(
+ event_id,
+ self._handle_request,
+ request
+ )
+
@defer.inlineCallbacks
def _handle_request(self, request):
with Measure(self.clock, "repl_send_event_parse"):
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