Very keen to get some feedback since it&#x27;s the first time I&#x27;m using Lambda and Redis HyperLogLog, and might have missed something.<p>It&#x27;s still quite raw, but I hope it has good potential. I wrote a bit more about the architecture, motivation etc on my blog[0]<p>[0] <a href="http:&#x2F;&#x2F;blog.gingerlime.com&#x2F;2016&#x2F;a-scaleable-ab-testing-backend-in-100-lines-of-code-and-for-free&#x2F;" rel="nofollow">http:&#x2F;&#x2F;blog.gingerlime.com&#x2F;2016&#x2F;a-scaleable-ab-testing-backe...</a>