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Revert "Revert "Try to not use as much CPU in the StreamChangeCache"" (#3454)
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changelog.d/3447.misc
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changelog.d/3447.misc
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@ -78,7 +78,8 @@ class StreamChangeCache(object):
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not_known_entities = set(entities) - set(self._entity_to_key)
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not_known_entities = set(entities) - set(self._entity_to_key)
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result = (
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result = (
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set(self._cache.values()[self._cache.bisect_right(stream_pos) :])
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{self._cache[k] for k in self._cache.islice(
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start=self._cache.bisect_right(stream_pos))}
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.intersection(entities)
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.intersection(entities)
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.union(not_known_entities)
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.union(not_known_entities)
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)
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)
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@ -113,7 +114,8 @@ class StreamChangeCache(object):
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assert type(stream_pos) is int
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assert type(stream_pos) is int
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if stream_pos >= self._earliest_known_stream_pos:
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if stream_pos >= self._earliest_known_stream_pos:
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return self._cache.values()[self._cache.bisect_right(stream_pos) :]
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return [self._cache[k] for k in self._cache.islice(
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start=self._cache.bisect_right(stream_pos))]
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else:
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else:
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return None
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return None
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