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yankun1992 avatar yankun1992 commented on June 1, 2024 1

It is possible to provide an api to return the count, but due to the principle of the counting bloom filter itself, this count is not an accurate statistic, but only a rough estimate, and if too much elements are inserted to this bloom filter, the more inaccurate this estimate will be. Does this meet your needs?

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glmcdona avatar glmcdona commented on June 1, 2024

Yes, that works for the scenario I am working on. And the current 4 bits of counting works perfect for my scenario. Appreciate it @yankun1992!

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yankun1992 avatar yankun1992 commented on June 1, 2024

In CountingBloomFilter, add methods estimate_count and counter_at to support this fearure.
Usage examples can be find at https://github.com/yankun1992/fastbloom/blob/main/py_tests/test_counting_bloom_filter.py#L96

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