Tag: redis

Valkey: Cut Your ElastiCache Bill Without Touching App Code

Viktar Patotski Aug 1, 2026 · 12 min read

Valkey: Cut Your ElastiCache Bill Without Touching App Code

Valkey is 20% cheaper than Redis on nodes, 33% cheaper on serverless, and the only ElastiCache engine eligible for a Database Savings Plan. Wire-compatible, in-place upgrade. The bigger win is the audit it forces: what you are caching and what you can switch off.

Redis vs Local Cache: When Redis Is Slower Than No Cache

Performance

Viktar Patotski Jun 24, 2026 · 16 min read

Redis vs Local Cache: When Redis Is Slower Than No Cache

I benchmarked both. Locally, Redis at 0.86ms was no faster than hitting the database. Move the database away and it wins. How to pick, with numbers.