Redis is fast - I'll cache in Postgres

A performance comparison between Redis and PostgreSQL for caching use cases. The author benchmarks both systems using a simple HTTP server, testing GET and SET operations with 30 million entries. Redis outperforms PostgreSQL in all scenarios, achieving better throughput and lower latencies. However, the author concludes that PostgreSQL's performance (7,425 requests/second) is sufficient for most applications and eliminates the need for an additional dependency when a database is already required.