Breakthroughs Are Just Boring Improvements That Pile Up

Engineering wins look dramatic from the outside. From the inside, they’re months of small, unglamorous changes – the kind nobody celebrates until they compound into something that looks impossible.

Cache Rebalancing Was Broken. Here’s How Valkey 9.0 Fixed It

Few things make SREs more nervous than rebalancing a cache cluster. You know the feeling. You add a node, trigger a rebalance, and suddenly latency graphs start jumping. It’s a familiar risk of the job, especially when your cache sits between your users and your database. A small configuration mistake here can suddenly unleash a storm of GET requests on your primary data store. I admit, I never really understood the concept of a slot or why it was needed. But after listening to a recent episode of the Cache It podcast on the new atomic slot migration feature in Valkey 9.0, I finally decided to dig in. The deeper […]

Designing smarter caches with Valkey 9.0’s numbered databases

Valkey 9.0 introduces numbered databases in cluster mode – a subtle change that simplifies multi-tenant design, data isolation, and atomic data updates.

Valkey 9.0 – The Next Generation of Caching

Valkey 9 is the best demonstration of the dream of the open source model. It boosts stability at scale, improves developer experience, and is faster than ever.

Valkey 8.1 vs Redis 8.2: Memory Efficiency at Hyperscale

Valkey 8.1 uses 28% less memory than Redis 8.2 in our 50M sorted set benchmark. See the throughput and memory data from real-world hyperscale testing.