From cb3edec6af55efb126f5e7ee66c4d895ef35a66e Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 15 Sep 2016 14:27:15 +0100 Subject: Use stream_change cache to make get_forward_extremeties_for_room cache more effective --- synapse/util/caches/stream_change_cache.py | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'synapse/util/caches') diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index 3c051dabc4..5c2a433e41 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -121,3 +121,8 @@ class StreamChangeCache(object): k, r = self._cache.popitem() self._earliest_known_stream_pos = max(k, self._earliest_known_stream_pos) self._entity_to_key.pop(r, None) + + def get_pos_of_last_change(self, entity): + """Returns the stream pos of the last change for an entitiy, if known. + """ + return self._entity_to_key.get(entity, None) -- cgit 1.5.1