PostgreSQL 18 Async I/O in Production: Real-World Benchmarks, Configuration Patterns, and Storage Performance in 2026
When PostgreSQL 18 dropped in September 2025, the async I/O subsystem was the headline feature that had database administrators and performance engineers buzzing. Six months into production deployments across diverse infrastructure environments, we now have enough real-world data to move beyond the release notes and understand how async I/O actually performs in the wild. This […]
