Log some bits about event creation

changelog.d/4121.misc

@@ -0,0 +1 @@
+Log some bits about room creation

synapse/handlers/message.py

@@ -427,6 +427,9 @@ def send_nonmember_event(self, requester, event, context, ratelimit=True):
 
  if event.is_state():
  prev_state = yield self.deduplicate_state_event(event, context)
+ logger.info(
+ "Not bothering to persist duplicate state event %s", event.event_id,
+ )
  if prev_state is not None:
  defer.returnValue(prev_state)
 

synapse/handlers/room.py

@@ -104,6 +104,8 @@ def upgrade_room(self, requester, old_room_id, new_version):
  creator_id=user_id, is_public=r["is_public"],
  )
 
+ logger.info("Creating new room %s to replace %s", new_room_id, old_room_id)
+
  # we create and auth the tombstone event before properly creating the new
  # room, to check our user has perms in the old room.
  tombstone_event, tombstone_context = (
@@ -522,6 +524,7 @@ def create(etype, content, **kwargs):
  @defer.inlineCallbacks
  def send(etype, content, **kwargs):
  event = create(etype, content, **kwargs)
+ logger.info("Sending %s in new room", etype)
  yield self.event_creation_handler.create_and_send_nonmember_event(
  creator,
  event,
@@ -544,6 +547,7 @@ def send(etype, content, **kwargs):
  content=creation_content,
  )
 
+ logger.info("Sending %s in new room", EventTypes.Member)
  yield self.room_member_handler.update_membership(
  creator,
  creator.user,