Profiling IO wait in WP LMS meta queries

Node Specification and Initial State Hardware: Dual EPYC 7302, 128GB RAM, 2x 1.92TB NVMe in RAID 1. OS: Debian 12 (Bookworm), Kernel 6.1.0-18-amd64. Stack: Nginx 1.24.0, PHP 8.2 FPM, MariaDB 10.11.4.