Bloom Filters

Comments primarily discuss Bloom filters, their relevance to the post's data structure or technique, comparisons with alternatives like Cuckoo filters, and links to implementations and resources.

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e.g MAB wordpress.com harvard.edu brave.com www.cs HN mclare.blog rebloom.io en.m bloom filter filters hashes false positives positives letters usernames duplicates data structure

Sample Comments

andypants • Sep 19, 2018 • View on HN

Could a bloom filter be useful here?

nl • Jun 15, 2015 • View on HN

This is kinda a Bloom filter: https://en.m.wikipedia.org/wiki/Bloom_filter

thewarrior • Jan 7, 2014 • View on HN

Could this be used as an alternative to a bloom filter ?

bradleyjg • Aug 5, 2016 • View on HN

Whenever considering a bloom filter also look at cuckoo filters. There are pros and cons of each approach.See https://bdupras.github.io/filter-tutorial/ and http://11011110.livejournal.com/327681.html as well as the corresponding HN discussions <a href="https://news.ycomb

zwily • May 25, 2018 • View on HN

An appropriately tuned bloom filter would probably suffice.

tsenart • Sep 25, 2025 • View on HN

Author here, indeed a variation of bloom filters: https://x.com/lemire/status/1971279371131646063

buremba • Apr 4, 2016 • View on HN

Bloom filters might be a good alternative for this use case if you don't mind false positives.

sowbug • Apr 10, 2020 • View on HN

https://en.wikipedia.org/wiki/Bloom_filter

rydre • Jul 17, 2020 • View on HN

Probably their bloom filter implementation?

DanWaterworth • Oct 11, 2012 • View on HN

Bloom filters were in fact used.