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36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015, 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import synapse.metrics
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from lrucache import LruCache
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DEBUG_CACHES = False
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metrics = synapse.metrics.get_metrics_for("synapse.util.caches")
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caches_by_name = {}
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cache_counter = metrics.register_cache(
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"cache",
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lambda: {(name,): len(caches_by_name[name]) for name in caches_by_name.keys()},
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labels=["name"],
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)
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_string_cache = LruCache(5000)
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caches_by_name["string_cache"] = _string_cache
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def intern_string(string):
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return _string_cache.setdefault(string, string)
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