Valkey 9.0 Debuts Multidatabase Clustering for Massive-Scale Workloads

Valkey 9.0 launches with multidatabase clustering support, enabling separate logical databases within distributed clusters while maintaining high throughput. The release introduces atomic slot migration for seamless node rebalancing without downtime, hash field expiration, and performance optimizations achieving up to 20% higher throughput. Security improvements address Lua scripting vulnerabilities and enhance authentication options. The update positions Valkey as a Redis-compatible, performance-optimized datastore for massive-scale workloads exceeding one billion requests per second.