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Merge pull request #3592 from matrix-org/erikj/speed_up_calculate_state_delta
Speed up _calculate_state_delta
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commit
0a8e4f3af9
2 changed files with 5 additions and 12 deletions
1
changelog.d/3592.misc
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1
changelog.d/3592.misc
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Speed up calculating state deltas in persist_event loop
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@ -439,7 +439,6 @@ class EventsStore(EventsWorkerStore):
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delta = yield self._calculate_state_delta(
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room_id, current_state,
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)
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if delta is not None:
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state_delta_for_room[room_id] = delta
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yield self.runInteraction(
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@ -655,21 +654,14 @@ class EventsStore(EventsWorkerStore):
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"""
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existing_state = yield self.get_current_state_ids(room_id)
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existing_events = set(itervalues(existing_state))
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new_events = set(ev_id for ev_id in itervalues(current_state))
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changed_events = existing_events ^ new_events
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if not changed_events:
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return
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to_delete = {
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key: ev_id for key, ev_id in iteritems(existing_state)
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if ev_id in changed_events
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if ev_id != current_state.get(key)
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}
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events_to_insert = (new_events - existing_events)
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to_insert = {
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key: ev_id for key, ev_id in iteritems(current_state)
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if ev_id in events_to_insert
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if ev_id != existing_state.get(key)
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}
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defer.returnValue((to_delete, to_insert))
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