Use OrderedDict in ExpiringCache

pull/1815/head
Erik Johnston 2017-01-16 15:33:22 +00:00
parent 897f8752da
commit 6d00213e80
1 changed files with 4 additions and 10 deletions

View File

@ -15,6 +15,7 @@
from synapse.util.caches import register_cache
from collections import OrderedDict
import logging
@ -49,7 +50,7 @@ class ExpiringCache(object):
self._reset_expiry_on_get = reset_expiry_on_get
self._cache = {}
self._cache = OrderedDict()
self.metrics = register_cache(cache_name, self)
@ -70,15 +71,8 @@ class ExpiringCache(object):
self._cache[key] = _CacheEntry(now, value)
# Evict if there are now too many items
if self._max_len and len(self) > self._max_len:
sorted_entries = sorted(
self._cache.keys(),
key=lambda item: item[1].time,
)
while len(self) > self._max_len and sorted_entries:
key = sorted_entries.pop()
self._cache.pop(key)
while self._max_len and len(self) > self._max_len:
self._cache.popitem(last=False)
def __getitem__(self, key):
try: