{"id":"cbf-8x-memory-vs-standard","text":"`CountingBloomFilter` uses one byte per counter position (`bytearray(self._m)`) versus one bit per position in `BloomFilter`, an 8x memory overhead for deletion support","truth_value":"IN","source":"entries/2026/05/29/topic-memtable-bloom-filter-lifecycle.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"cbf-8x-memory-vs-standard","truth_value":"IN","reason":"premise"}]}}