来自：马哥Linux运维 Introduction: Starting with a Painful Downtime Incident It was a Friday afternoon, just as I was about to leave work happily, when the monitoring system suddenly went into a frenzy of alarms. The response time of our core online business system skyrocketed from the usual 200ms to 8 seconds, and user complaint calls flooded … Read more
🌟 TrendForge Daily Selection – Discover the most promising open-source projects 📊 Today, a total of 19 hot projects have been included, covering 47 programming languages 🌐 Intelligent Chinese Translation Version – Project descriptions have been automatically translated for better understanding 🏆 Today’s Hottest Projects Top 10 🥇 666ghj/BettaFish 📝 Project Introduction: Wei Yu: A … Read more
Ultimate Optimization of Storage Performance: In the data-driven era, I/O performance directly determines application response speed and user experience. This article delves into the Linux 5.15.4 kernel file system subsystem, revealing the secrets of performance optimization from the VFS virtual file system to the underlying storage devices. 🎯 The Business Value of I/O Performance The … Read more
Application systems run on top of the operating system, and the performance of the system also affects the performance of the application programs. Here are some key configuration details for optimizing Linux performance. Disable SELinux Permanently SELinux enhances system security but can cause many issues, so it is generally recommended to disable it. [root@localhost ~]# … Read more
Advanced Linux Operations: In-Depth Analysis from Basic Commands to System Optimization Introduction: Have You Encountered These Crashing Moments? At 2 AM, you are abruptly awakened by a phone call: “Online service response timeout, widespread user complaints!” You hurriedly open your computer, SSH into the server, and face a screen full of processes and logs, your … Read more
In today’s rapidly developing industrial Internet of Things (IoT), fire monitoring systems in factories are facing dual challenges of network performance and intelligent demands. Traditional monitoring systems often experience high latency, insufficient signal coverage, and poor scalability in high-concurrency scenarios, making it difficult to meet the complex requirements of modern industrial environments. This article will … Read more
In modern automotive manufacturing plants, the efficient collaboration between Automated Guided Vehicles (AGV) and Programmable Logic Controllers (PLC) is a key factor in ensuring smooth production. This article analyzes typical issues and their solutions encountered during the interaction between AGVs and PLCs based on a real case from an automotive battery pack production line, providing … Read more
1229 – Solving the Number of Interception Systems for Missiles Analysis of the Missile Interception System Problem This program addresses a classic missile interception problem, calculating the minimum number of systems required to intercept a given sequence of missiles. The program achieves this goal through a greedy algorithm and array processing. Detailed Design Approach: Data … Read more
Viewing Memory in Linux Q: I want to monitor the memory usage of a Linux system. What views or command-line tools are available in Linux? When optimizing a Linux system, physical memory is one of the most important aspects. Naturally, Linux provides many methods to monitor the usage of this precious memory resource. The following … Read more
Abstract Real-Time Operating Systems (RTOS) and Operating Systems (OS) both provide the capability to set thread priorities. We assign a unique priority to each thread based on the software functional architecture, thereby creating a hierarchy of threads within the system. However, this principle of assigning unique priorities can lead to issues, as assigning a unique … Read more