Hunter OBrien
Sys Admin at Command Prompt
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Past presentations
PostgreSQL I/O Mechanisms Performance Comparison
A comparative analysis of PostgreSQL 18 I/O Mechanisms and Evaluating their Efficiency
With PostgreSQL 18 officially released on September 25, 2025, the project introduced a major performance addition: a new asynchronous I/O (AIO) subsystem. This evidence based talk explores the three I/O approaches PostgreSQL can use to interact with the operating system, including how each works, when it is used, and how to configure it. We’ll walk through the configuration and operating chara...
@ Postgres Conference: 2026
Apr 22 2026
Ops