> Personally I've never found a use for either of them in practice. One of my servers batch downloads approximately 550GB of data per day. I use a bloom filter

> Personally I've never found a use for either of them in practice. One of my servers batch downloads approximately 550GB of data per day. I use a bloom filter to deduplicate the file significantly faster than naive Unix sort or awk ‘!X[$0]++’. It also has superior asymptotic complexity.