From abfe4b2957645194c59da359779a4d77dcc6f493 Mon Sep 17 00:00:00 2001 From: Amber Brown Date: Tue, 26 Jun 2018 17:25:34 +0100 Subject: try and make loading items from the cache faster --- synapse/util/caches/stream_change_cache.py | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'synapse') diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index 817118e30f..c81518c6bc 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -78,7 +78,8 @@ class StreamChangeCache(object): not_known_entities = set(entities) - set(self._entity_to_key) result = ( - set(self._cache.values()[self._cache.bisect_right(stream_pos) :]) + {self._cache[k] for k in in self._cache.islice( + start=self._cache.bisect_right(stream_pos))} .intersection(entities) .union(not_known_entities) ) @@ -113,7 +114,8 @@ class StreamChangeCache(object): assert type(stream_pos) is int if stream_pos >= self._earliest_known_stream_pos: - return self._cache.values()[self._cache.bisect_right(stream_pos) :] + return {self._cache[k] for k in in self._cache.islice( + start=self._cache.bisect_right(stream_pos))} else: return None -- cgit 1.4.1