Hyperloglog is approximate. You also can't do set complement. Also can't get the... | Hacker News

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ddorian43 on Aug 26, 2015 | parent | context | favorite | on: Scaling Analytics at Amplitude

Hyperloglog is approximate. You also can't do set complement. Also can't get the ids. But other than that it's great!

chupy on Aug 26, 2015 [–]

I am not gonna suggest that one solution fits all. Maybe you have different requirements but in our case (adtech) offering near real time reporting with a standard error rate of 0.81% is very good.

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