This article explains how to use the Linux top command for real‑time system and process monitoring, covering its interface, statistical and process sections, interactive shortcuts, command‑line options, and internal commands to customize and sort the displayed information.
This tutorial explains why mastering low‑level socket programming is valuable, introduces TCP/IP fundamentals, walks through creating a TCP socket server in Python, shows how to implement a simple HTTP server, and suggests ways to extend the server with multithreading and additional features.
This guide presents a comprehensive set of MySQL DBA standards covering change approvals, backup procedures, schema modifications, high‑availability architecture, security policies, indexing strategies, table and column design, and SQL writing techniques to ensure stable, performant, and secure database operations.
This article presents the motivation, architecture, functional and interface layers, storage design, and performance evaluation of CFL, a MySQL plug‑in storage engine created by Ctrip to provide a high‑throughput, SQL‑based time‑series database while preserving existing MySQL operational practices.
This article explains how to run a Kanban stand‑up meeting—its objectives of inspecting value‑flow, the daily right‑to‑left board walk, the six key issue categories plus an extra "6+1" check, and practical tips for keeping the meeting short, focused, and effective.
Tencent’s senior engineer explains how the TDW (Tencent Distributed Data Warehouse) grew from a few hundred to thousands of nodes, the challenges of cross‑city migration, and the modeling, relationship‑chain, dual‑write tables, and platform strategies they built to ensure seamless, low‑impact data and task migration.
This guide explains how to install, configure, and use Nodemon to automatically detect code changes and restart Node.js applications, improving development efficiency while highlighting common Windows setup issues and configuration options.
This guide outlines practical strategies for tech team leadership, covering people, project, technology, and culture management, recruitment, mentorship, code review, pair programming, documentation standards, automation, and workflow optimization to boost productivity and morale.
This tutorial walks through updating CentOS 7, adding the Docker repository, installing and testing Docker Engine, creating a Dockerfile for a .NET Core and Angular2 project, building and running the container, configuring Nginx as a reverse proxy, and verifying the deployment in a browser.
This article explains the architecture of 360’s image hosting platform, detailing the Davinci upload pipeline and the Picasso download flow, the processing steps, caching layers, and the supporting infrastructure that enables billions of image requests daily.
Redis is an open-source, in‑memory data structure store offering high‑performance caching, persistence, replication, and rich data types such as strings, lists, sets, hashes, and sorted sets, and this guide compares its strengths and differences with Memcached and other databases.
This article reconstructs the design of HTTPS by starting from a simple chat scenario, explaining why both symmetric and asymmetric encryption are required, how key exchange and digital certificates work, and how the TLS handshake secures client‑server communication.
This article examines the performance problems of MySQL LIMIT pagination on a table with over 800,000 rows, demonstrates timing tests for various offsets, and presents covering‑index techniques that dramatically reduce query time, including practical SQL examples.
This article explains where the JVM resides within the JDK, describes its four main components—ClassLoader, Native Interface, Execution Engine, and Runtime Data Areas—and details memory management, garbage‑collection algorithms, collector types, diagnostic commands, and the Java class‑file structure.
This article examines various business load scenarios for a logistics management system and presents four progressive load‑balancing architectures—ranging from simple Nginx/Haproxy to DNS round‑robin with LVS and Keepalived—while defining key performance terms and outlining future discussion topics.
This article details how Tencent Games built, customized, and continuously optimized a Kubernetes‑based container platform over three years to support tens of thousands of game containers, covering deployment modes, scheduler enhancements, network solutions, resource quotas, monitoring, storage, and the transition to micro‑service architectures.
The article explores the evolution of big‑data applications in China, from Oracle’s trend report and the concept of "omni‑domain data" to UMENG+’s technical architecture, unified tech stack, AI integration, and future directions for delivering real customer value.
Taobao’s redesigned home page faces heavy personalization demands, multiple data sources, and numerous modules, prompting a series of front‑end performance techniques—including prioritized loading, lazy execution, image compression, caching, and request consolidation—to improve FPS, DOMContentLoaded, and overall user experience.
This article introduces the fundamentals of shell variables, covering local and environment variables, naming rules, assignment syntax, common reference methods, numeric operations, arrays (including multidimensional techniques using eval), and special parameters, providing practical examples and essential commands for effective Bash scripting.
This article explores the design and implementation of a Python‑driven, extensible operations automation platform, covering its motivations, architecture, module customization, security auditing, client‑server structure, and future enhancements for robust DevOps workflows.
