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Measure metrics of string_cache
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1 changed files with 8 additions and 3 deletions
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@ -40,8 +40,8 @@ def register_cache(name, cache):
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)
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_string_cache = LruCache(int(5000 * CACHE_SIZE_FACTOR))
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_string_cache = LruCache(int(100000 * CACHE_SIZE_FACTOR))
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caches_by_name["string_cache"] = _string_cache
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_stirng_cache_metrics = register_cache("string_cache", _string_cache)
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KNOWN_KEYS = {
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KNOWN_KEYS = {
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@ -69,7 +69,12 @@ KNOWN_KEYS = {
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def intern_string(string):
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def intern_string(string):
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"""Takes a (potentially) unicode string and interns using custom cache
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"""Takes a (potentially) unicode string and interns using custom cache
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"""
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"""
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return _string_cache.setdefault(string, string)
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new_str = _string_cache.setdefault(string, string)
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if new_str is string:
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_stirng_cache_metrics.inc_hits()
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else:
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_stirng_cache_metrics.inc_misses()
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return new_str
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def intern_dict(dictionary):
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def intern_dict(dictionary):
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