diff options
| -rw-r--r-- | changelog.d/4798.misc | 1 | ||||
| -rw-r--r-- | synapse/storage/receipts.py | 26 |
2 files changed, 21 insertions, 6 deletions
diff --git a/changelog.d/4798.misc b/changelog.d/4798.misc new file mode 100644 index 0000000000..d60f208dc3 --- /dev/null +++ b/changelog.d/4798.misc @@ -0,0 +1 @@ +Add some debug about processing read receipts. diff --git a/synapse/storage/receipts.py b/synapse/storage/receipts.py index 0ac665e967..0fd1ccc40a 100644 --- a/synapse/storage/receipts.py +++ b/synapse/storage/receipts.py @@ -346,15 +346,23 @@ class ReceiptsStore(ReceiptsWorkerStore): def insert_linearized_receipt_txn(self, txn, room_id, receipt_type, user_id, event_id, data, stream_id): + """Inserts a read-receipt into the database if it's newer than the current RR + + Returns: int|None + None if the RR is older than the current RR + otherwise, the rx timestamp of the event that the RR corresponds to + (or 0 if the event is unknown) + """ res = self._simple_select_one_txn( txn, table="events", - retcols=["topological_ordering", "stream_ordering"], + retcols=["stream_ordering", "received_ts"], keyvalues={"event_id": event_id}, allow_none=True ) stream_ordering = int(res["stream_ordering"]) if res else None + rx_ts = res["received_ts"] if res else 0 # We don't want to clobber receipts for more recent events, so we # have to compare orderings of existing receipts @@ -373,7 +381,7 @@ class ReceiptsStore(ReceiptsWorkerStore): "one for later event %s", event_id, eid, ) - return False + return None txn.call_after( self.get_receipts_for_room.invalidate, (room_id, receipt_type) @@ -429,7 +437,7 @@ class ReceiptsStore(ReceiptsWorkerStore): stream_ordering=stream_ordering, ) - return True + return rx_ts @defer.inlineCallbacks def insert_receipt(self, room_id, receipt_type, user_id, event_ids, data): @@ -466,7 +474,7 @@ class ReceiptsStore(ReceiptsWorkerStore): stream_id_manager = self._receipts_id_gen.get_next() with stream_id_manager as stream_id: - have_persisted = yield self.runInteraction( + event_ts = yield self.runInteraction( "insert_linearized_receipt", self.insert_linearized_receipt_txn, room_id, receipt_type, user_id, linearized_event_id, @@ -474,8 +482,14 @@ class ReceiptsStore(ReceiptsWorkerStore): stream_id=stream_id, ) - if not have_persisted: - defer.returnValue(None) + if event_ts is None: + defer.returnValue(None) + + now = self._clock.time_msec() + logger.debug( + "RR for event %s in %s (%i ms old)", + linearized_event_id, room_id, now - event_ts, + ) yield self.insert_graph_receipt( room_id, receipt_type, user_id, event_ids, data |