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Add a Cuckoo filter as an alternative to the Bloom filter #55

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anjackson opened this issue Mar 5, 2020 · 0 comments

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anjackson commented Mar 5, 2020 •

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Cuckoo filters are similar to Bloom filters but allow entries to be removed. We’ll need an implementation that is

suitably licensed, Apache 2 to
thread-safe
reasonably fast
reasonably actively supported

Options

https://github.com/topics/cuckoo-filter?l=java
https://github.com/MGunlogson/CuckooFilter4J
https://github.com/cinnom/nano-cuckoo (relies on Unsafe.allocateMemory so not available on all platforms and may be deprecated in the near future)
https://github.com/bdupras/guava-probably (Google Guava 19.0 or higher, which might be an issue for the H3 codebase)

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