By rethinking how cache space is allocated, RobinHood meets a 150ms P99 goal 99.7% of the time, versus 70% for the next best policy. 0.3% SLO violations vs 30%. Yes, you can use caching to address _tail_ latency! http://blog.acolyer.org/2018/10/26/robinhood-tail-latency-aware-caching-dynamic-reallocation-from-cache-rich-to-cache-poor …pic.twitter.com/Rzt1XlGyGk
8:50 AM - 26 Oct 2018
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