Uber’s CacheFront: Powering 40M Reads per Second with Significantly Reduced Latency
![An architecture diagram illustrating the cache-aside pattern implemented in CacheFront](https://eranstiller.com/wp-content/uploads/2024/02/CacheFront-Cover.png)
Uber developed an innovative caching solution, CacheFront, for its in-house distributed database, Docstore. CacheFront enables over 40M reads per second from online storage and achieves substantial performance improvements, including a 75% reduction in P75 latency and over 67% reduction in P99.9 latency, demonstrating its effectiveness in enhancing system efficiency and scalability.