Merge pull request #56 from matrix-org/room_initial_sync_perf

During room intial sync, only calculate current state once.

1 files changed, 6 insertions, 3 deletions

diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index 439164ae39..5af90cc5d1 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -175,9 +175,10 @@ class SyncHandler(BaseHandler):
             room_id, sync_config, now_token,
         )
 
-        current_state_events = yield self.state_handler.get_current_state(
+        current_state = yield self.state_handler.get_current_state(
             room_id
         )
+        current_state_events = current_state.values()
 
         defer.returnValue(RoomSyncResult(
             room_id=room_id,
@@ -347,9 +348,10 @@ class SyncHandler(BaseHandler):
 
         # TODO(mjark): This seems racy since this isn't being passed a
         # token to indicate what point in the stream this is
-        current_state_events = yield self.state_handler.get_current_state(
+        current_state = yield self.state_handler.get_current_state(
             room_id
         )
+        current_state_events = current_state.values()
 
         state_at_previous_sync = yield self.get_state_at_previous_sync(
             room_id, since_token=since_token
@@ -431,6 +433,7 @@ class SyncHandler(BaseHandler):
                     joined = True
 
         if joined:
-            state_delta = yield self.state_handler.get_current_state(room_id)
+            res = yield self.state_handler.get_current_state(room_id)
+            state_delta = res.values()
 
         defer.returnValue(state_delta)