diff options
Diffstat (limited to 'synapse/util/caches/stream_change_cache.py')
| -rw-r--r-- | synapse/util/caches/stream_change_cache.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index c8b17acb59..1657459549 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -213,16 +213,17 @@ class StreamChangeCache: """ assert isinstance(stream_pos, int) - if not self._cache: - # If the cache is empty, nothing can have changed. - return False - # _cache is not valid at or before the earliest known stream position, so # return that an entity has changed. if stream_pos <= self._earliest_known_stream_pos: self.metrics.inc_misses() return True + # If the cache is empty, nothing can have changed. + if not self._cache: + self.metrics.inc_misses() + return False + self.metrics.inc_hits() return stream_pos < self._cache.peekitem()[0] |