A study of cache sizing
Recently I’ve been hard at work building a distributed in-memory cache for our runtime systems. One of the most important decisions that I’ve had to make in this project is the size of the cache….
Category: Distributed Systems
Gorilla
This post is to write down my first impressions after reading Facebook’s Gorilla which is their in-house TSDB. Long story short, Facebook designed their own time-series database (TSDB) to collect and expose system metrics for…
Discovering service discovery (Zookeeper vs Consul)
Yesterday I tried to look into the differences between using Zookeeper vs Consul for service discovery. In summary I don’t think that Consul has anything that Zookeeper can’t accomplish, but Consul comes with it built-in. Consul…
Alias Method
This post is about a brilliant algorithm called the Alias Method. This method allows you to generate samples according to a discrete probability distribution in constant time. In other words, it allows you to simulate a loaded or…