The JusDB Database Engineering Blog

Migrate from Redis to Valkey — compatibility, performance benchmarks, and what changes for operators

A practical guide to choosing between read replicas and caching layers — replication lag behavior, cache invalidation strategies, thundering herd prevention, tiered read architecture patterns, and decision framework.

Master Redis performance tuning with expert tips on memory optimization, connection pooling, data structures, and caching strategies for high-traffic apps.

A practical guide to Redis use cases in production — cache-aside pattern, sliding window rate limiting, Pub/Sub vs Streams, BRPOP queues with delayed job scheduling, and session storage with persistence configuration.

Choose between ElastiCache Redis and Memcached — data structures, persistence, replication, and cost considerations