[mtourne]

In the world of lossy counting. This [1] could be something to look at if you wanted to answer the question "how many requests/secs towards jgc.org at noontime, two months ago"

[1] https://github.com/dgryski/hokusai

[meowface]

Why not HyperLogLog?

[jodrellblank]

Presumably because there's no point replying to a video talk about HyperLogLog with a comment saying "you might want to look into HyperLogLog".