Redis as a scalable feature store, DoorDash

RedisConf 2021
Speaker: Zohaib Sibte Hassan, Arbaz Khan
Track: Operate Redis at Scale
This session discusses various techniques used at DoorDash to build and improve the company's tail latencies in its feature store. With billions of requests coming in, it is imperative for the DoorDash team to squeeze every last bit of performance out of Redis' in-memory datastore. The presenters share their best practices on serialization, hot keys, stampede (Thundering Herd), predictive cache expiry, compression, and other optimization tips.