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-rw-r--r--synapse/handlers/federation.py13
-rw-r--r--synapse/handlers/federation_event.py2
-rw-r--r--synapse/handlers/message.py1
3 files changed, 15 insertions, 1 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 6a143440d3..5e16139626 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -545,6 +545,7 @@ class FederationHandler:
             if ret.partial_state:
                 # TODO(faster_joins): roll this back if we don't manage to start the
                 #   background resync (eg process_remote_join fails)
+                #   https://github.com/matrix-org/synapse/issues/12998
                 await self.store.store_partial_state_room(room_id, ret.servers_in_room)
 
             max_stream_id = await self._federation_event_handler.process_remote_join(
@@ -1506,14 +1507,17 @@ class FederationHandler:
         # TODO(faster_joins): do we need to lock to avoid races? What happens if other
         #   worker processes kick off a resync in parallel? Perhaps we should just elect
         #   a single worker to do the resync.
+        #   https://github.com/matrix-org/synapse/issues/12994
         #
         # TODO(faster_joins): what happens if we leave the room during a resync? if we
         #   really leave, that might mean we have difficulty getting the room state over
         #   federation.
+        #   https://github.com/matrix-org/synapse/issues/12802
         #
         # TODO(faster_joins): we need some way of prioritising which homeservers in
         #   `other_destinations` to try first, otherwise we'll spend ages trying dead
         #   homeservers for large rooms.
+        #   https://github.com/matrix-org/synapse/issues/12999
 
         if initial_destination is None and len(other_destinations) == 0:
             raise ValueError(
@@ -1543,9 +1547,11 @@ class FederationHandler:
                 # all the events are updated, so we can update current state and
                 # clear the lazy-loading flag.
                 logger.info("Updating current state for %s", room_id)
+                # TODO(faster_joins): support workers
+                #   https://github.com/matrix-org/synapse/issues/12994
                 assert (
                     self._storage_controllers.persistence is not None
-                ), "TODO(faster_joins): support for workers"
+                ), "worker-mode deployments not currently supported here"
                 await self._storage_controllers.persistence.update_current_state(
                     room_id
                 )
@@ -1559,6 +1565,8 @@ class FederationHandler:
                     )
 
                     # TODO(faster_joins) update room stats and user directory?
+                    #   https://github.com/matrix-org/synapse/issues/12814
+                    #   https://github.com/matrix-org/synapse/issues/12815
                     return
 
                 # we raced against more events arriving with partial state. Go round
@@ -1566,6 +1574,8 @@ class FederationHandler:
                 # TODO(faster_joins): there is still a race here, whereby incoming events which raced
                 #   with us will fail to be persisted after the call to `clear_partial_state_room` due to
                 #   having partial state.
+                #   https://github.com/matrix-org/synapse/issues/12988
+                #
                 continue
 
             events = await self.store.get_events_as_list(
@@ -1588,6 +1598,7 @@ class FederationHandler:
                             #   indefinitely is also not the right thing to do if we can
                             #   reach all homeservers and they all claim they don't have
                             #   the state we want.
+                            #   https://github.com/matrix-org/synapse/issues/13000
                             logger.error(
                                 "Failed to get state for %s at %s from %s because %s, "
                                 "giving up!",
diff --git a/synapse/handlers/federation_event.py b/synapse/handlers/federation_event.py
index 87a0608359..9889d1cb44 100644
--- a/synapse/handlers/federation_event.py
+++ b/synapse/handlers/federation_event.py
@@ -532,6 +532,7 @@ class FederationEventHandler:
                 #
                 # TODO(faster_joins): we probably need to be more intelligent, and
                 #    exclude partial-state prev_events from consideration
+                #    https://github.com/matrix-org/synapse/issues/13001
                 logger.warning(
                     "%s still has partial state: can't de-partial-state it yet",
                     event.event_id,
@@ -777,6 +778,7 @@ class FederationEventHandler:
             state_ids = await self._resolve_state_at_missing_prevs(origin, event)
             # TODO(faster_joins): make sure that _resolve_state_at_missing_prevs does
             #   not return partial state
+            #   https://github.com/matrix-org/synapse/issues/13002
 
             await self._process_received_pdu(
                 origin, event, state_ids=state_ids, backfilled=backfilled
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index f455158a2c..294217cc23 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -1102,6 +1102,7 @@ class EventCreationHandler:
             #
             # TODO(faster_joins): figure out how this works, and make sure that the
             #   old state is complete.
+            #   https://github.com/matrix-org/synapse/issues/13003
             metadata = await self.store.get_metadata_for_events(state_event_ids)
 
             state_map_for_event: MutableStateMap[str] = {}