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pi_22by7 • 11/04/2025 • 1 reply • view on HN

The key insight about bloom filters lacking synergy is excellent. The ~7K document crossover point makes sense because inverted indexes amortize dictionary storage across all documents while bloom filters must encode it linearly per document


Replies

hinkley • 11/04/2025

But doesn’t that depend on the cardinality of the indexes versus the document count? I’ve seen systems with a stupid number of tag values.