After reading Salvatore’s Redis Presharding, I thought I’d write up the sharding technique we use at Craigslist to take advantage of multiple cores, multiple hosts, and allow for painless growth (up to a point). Nodes The primary building block of our Redis infrastructure is a node, which is simply a host:port pair that points to a single redis-server instance. Each node is given a symbolic node n
![Redis Sharding at Craigslist](https://cdn-ak-scissors.b.st-hatena.com/image/square/8d71ff5111e05619a10d29bb40d7aebaa75c8fbc/height=288;version=1;width=512/https%3A%2F%2Fs0.wp.com%2Fi%2Fblank.jpg)