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Make ExpiringCache slightly more performant

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This commit is contained in:
Erik Johnston 2018-09-21 14:52:21 +01:00
parent d3f80cbc9c
commit 79eded1ae4
1 changed files with 5 additions and 1 deletions
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6
synapse/util/caches/expiringcache.py
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@ -16,6 +16,8 @@
import logging import logging
from collections import OrderedDict from collections import OrderedDict
from six import iteritems
from synapse.metrics.background_process_metrics import run_as_background_process from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.util.caches import register_cache from synapse.util.caches import register_cache
@ -127,7 +129,7 @@ class ExpiringCache(object):
keys_to_delete = set() keys_to_delete = set()
for key, cache_entry in self._cache.items(): for key, cache_entry in iteritems(self._cache):
if now - cache_entry.time > self._expiry_ms: if now - cache_entry.time > self._expiry_ms:
keys_to_delete.add(key) keys_to_delete.add(key)
@ -149,6 +151,8 @@ class ExpiringCache(object):
class _CacheEntry(object): class _CacheEntry(object):
__slots__ = ["time", "value"]
def __init__(self, time, value): def __init__(self, time, value):
self.time = time self.time = time
self.value = value self.value = value