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Make ExpiringCache slightly more performant
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@ -16,6 +16,8 @@
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import logging
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from collections import OrderedDict
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from six import iteritems
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from synapse.metrics.background_process_metrics import run_as_background_process
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from synapse.util.caches import register_cache
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@ -127,7 +129,7 @@ class ExpiringCache(object):
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keys_to_delete = set()
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for key, cache_entry in self._cache.items():
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for key, cache_entry in iteritems(self._cache):
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if now - cache_entry.time > self._expiry_ms:
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keys_to_delete.add(key)
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@ -149,6 +151,8 @@ class ExpiringCache(object):
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class _CacheEntry(object):
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__slots__ = ["time", "value"]
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def __init__(self, time, value):
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self.time = time
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self.value = value
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