Valkey 9.1 Deep Dive — Database-Level ACLs, Lua-as-a-Module, and a New I/O Threading Model Hitting 2.1M RPS

📰 Dev.to · daniel jeong

Learn about Valkey 9.1's new features, including database-level ACLs, Lua-as-a-module, and a new I/O threading model, to improve performance and security

intermediate Published 29 May 2026
Action Steps
  1. Update to Valkey 9.1.0 to leverage new features
  2. Configure database-level ACLs to enhance security
  3. Implement Lua-as-a-module for improved performance
  4. Test the new I/O threading model to achieve 2.1M RPS
  5. Monitor and observe the performance of Valkey 9.1.0
  6. Apply security hardening measures to prevent potential vulnerabilities
Who Needs to Know This

Developers and DevOps teams can benefit from this update to improve the performance and security of their Valkey deployments

Key Insight

💡 Valkey 9.1.0 introduces significant performance and security enhancements, including database-level ACLs and a new I/O threading model

Share This
🚀 Valkey 9.1.0 is out! 🚀 Database-level ACLs, Lua-as-a-module, and a new I/O threading model to hit 2.1M RPS 🚀

Key Takeaways

Learn about Valkey 9.1's new features, including database-level ACLs, Lua-as-a-module, and a new I/O threading model, to improve performance and security

Full Article

> - Valkey 9.1.0 (May 19, 2026) is the first minor release after the 9.0 GA, with 80+ contributors hardening security, observability, performance, eff
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