The Ultimate Guide to Disk IO Monitoring in Linux: From iostat to iotop 🚀 When the system lags, database queries slow down, or file transfers take too long, the issue often lies with disk IO. Master these IO monitoring tools to uncover performance bottlenecks! 🔍 Disk IO: A Key Dimension of Performance Analysis In the … Read more
Determining which program (or thread) is consuming the most CPU in a Linux system and pinpointing the specific code location is a classic issue in system performance troubleshooting. I will provide you with a complete guide from macro to micro, from simple to in-depth. Overview: Two Steps to Solve the Problem Identify High CPU Processes: … Read more
Introduction What are bad sectors? They refer to areas on a disk drive or flash memory that cannot be read or written to, usually due to permanent physical damage on the disk surface or failure of flash memory transistors. If the number of bad sectors increases, it can severely impact the performance of the storage … Read more
Disk I/O performance is a core aspect of optimizing Linux system performance, especially in high-load scenarios such as database servers, virtualization environments, or big data processing platforms. Disk I/O bottlenecks can lead to slow system responses or even service interruptions. Monitoring and debugging disk I/O performance not only helps administrators quickly locate issues but also … Read more
BusyBox Technical Guide: The Swiss Army Knife of Embedded Systems 1. Core Introduction The Swiss Army Knife of Embedded Development Tools BusyBox is like a digital Swiss Army knife, condensing over 300 commonly used Linux tools (such as ls, grep, vi, etc.) into a single executable file of about 2MB. It was born in 1996 … Read more