This public account is maintained by Xiaotianguo and friends, regularly publishing widely-read original technical articles. We focus on operations transformation and accompany you throughout your operations career, growing together happily.
Meituan has open‑sourced LongCat‑Flash‑Chat, a 5.6‑trillion‑parameter Mixture‑of‑Experts model that activates only a fraction of its weights per token, delivering mainstream‑level performance, high inference speed, and low cost for complex agent applications.
This article examines ByteDance’s enormous server inventory and data‑center export bandwidth, explaining how T‑level (terabit) connections, dual‑link designs, CDN acceleration, and global data‑center deployments enable billions of users to stream content simultaneously.
This comprehensive guide walks readers through the fundamentals of computer networking, covering architecture models, TCP and UDP protocols, HTTP basics, socket programming, IP addressing, ICMP, Ping, and related concepts such as routers, cookies, and token authentication, all illustrated with clear diagrams.
DeepSeek’s latest V3.1 model unexpectedly injects the Chinese character “极” into generated text, a token‑ID mix‑up that breaks code compilation, JSON parsing, and academic writing, with users tracing the issue to adjacent token IDs and two main hypotheses of dataset contamination or model shortcut.
This article walks through a real‑world case where HTTPS requests made with curl are reset on an Nginx server, detailing the step‑by‑step investigation, configuration tweaks—including client buffers and SSL session cache—and the final resolution that restores successful connections.
The China Academy of Information and Communications Technology introduced the SOMM (System Operation Maturity Model) framework, emphasizing tool intelligence, refined management, and robust operation, and detailed its AIOps, SRE, and FinOps assessment modules, evaluation criteria, maturity levels, and showcase of leading enterprises that have achieved top‑tier certifications.
This article provides a comprehensive guide to Docker, covering its core concepts, installation steps, essential commands, Dockerfile image creation, and networking modes such as bridge, host, and none, with practical code examples and diagrams.
This guide introduces tcpdump, a powerful network packet capture tool, explains its filtering capabilities with logical operators, and provides numerous practical examples—from capturing traffic on specific interfaces and hosts to filtering by ports, protocols, and saving captures—helping users troubleshoot network issues efficiently.
This article outlines the essential inputs and collaborative outputs needed when using large language models throughout software development—from requirement gathering and design to implementation and testing—highlighting practical steps to achieve far greater productivity than current modest gains.
This article uses everyday analogies—herbal shops, libraries, and refrigerators—to demystify databases, covering relational tables, primary/secondary keys, foreign keys, DBMS, and SQL in a clear, beginner‑friendly way.
