I/O Metrics — 2 Technical Articles

Nov 13, 2025 · Operations

Understanding Disk Performance Metrics and Process‑Level I/O on Linux

This guide explains Linux disk performance indicators—utilization, saturation, IOPS, throughput, and latency—their interrelationships, and how to monitor both overall and per‑process I/O using tools like iotop, pidstat, and the /proc filesystem.

Disk PerformanceI/O MetricsLinux

0 likes · 10 min read

Understanding Disk Performance Metrics and Process‑Level I/O on Linux

ITPUB

Jun 4, 2017 · Operations

Understanding iostat Metrics: From /proc/diskstats to Real‑World Disk Performance

This article explains the meaning of iostat fields, clarifies common misconceptions about svctm and await, details each /proc/diskstats column, shows how to calculate key performance metrics, and illustrates practical analysis with real disk examples.

%util/proc/diskstatsI/O Metrics

0 likes · 11 min read

Understanding iostat Metrics: From /proc/diskstats to Real‑World Disk Performance