Fix logcontexts for running pushers

First of all, avoid resetting the logcontext before running the pushers, to fix
the "Starting db txn 'get_all_updated_receipts' from sentinel context" warning.

Instead, give them their own "background process" logcontexts.

1 files changed, 2 insertions, 5 deletions

diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py

index 893c9bcdc4..f21d740968 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -774,11 +774,8 @@ class EventCreationHandler(object):
             event, context=context
         )
 
-        # this intentionally does not yield: we don't care about the result
-        # and don't need to wait for it.
-        run_in_background(
-            self.pusher_pool.on_new_notifications,
-            event_stream_id, max_stream_id
+        self.pusher_pool.on_new_notifications(
+            event_stream_id, max_stream_id,
         )
 
         def _notify():