Monitoring Block I/O and Disk Wait Times Using iotop and iostat
Monitor and troubleshoot Linux disk I/O bottlenecks using iostat and iotop. Learn how to interpret %iowait, %util, await times and pinpoint heavy processes. Table of Contents 🔈Introduction Efficient storage performance is critical to a responsive Linux system. When block I/O becomes a bottleneck, overall performance suffers—databases slow down, applications stall, and CPUs sit idle while […]