https://whoisarjen.com/blog Senior Full-Stack Engineer specializing in high-performance e-commerce, scalable architecture, and performance optimization. TypeScript, React, Next.js, Vue, Nuxt, PostgreSQL, Redis. en-us kamilow97@gmail.com (Kamil Owczarek) kamilow97@gmail.com (Kamil Owczarek) Mon, 06 Apr 2026 08:00:00 GMT https://whoisarjen.com/blog/replacing-redis-with-postgres-cache-migration https://whoisarjen.com/blog/replacing-redis-with-postgres-cache-migration Our Redis cache kept dropping TLS connections, taking down the entire caching layer. After a misleading benchmark nearly sent us in the wrong direction, we migrated to PostgreSQL — same performance, zero drops, one less service to manage. Mon, 06 Apr 2026 08:00:00 GMT kamilow97@gmail.com (Kamil Owczarek) CachingPostgreSQLRedisPerformanceArchitectureServerlessMigration