Internet tech practitioner sharing insights on business architecture, technology, and a lifelong love of tech.
The article explains how early detection and preventive measures—such as comprehensive monitoring, rate limiting, chaos testing, and proper SLOs—are essential for maintaining system stability and avoiding larger incidents, drawing on SRE principles and the incident triangle theory.
This article reveals three common pitfalls in daily incident postmortems—overlooking minor failures, confusing root causes with triggers, and weak improvement actions—and offers practical steps like the 5 Whys method and essential corrective measures to truly reduce online outages.
The article analyses Tencent’s 2019 tech transformation—its DevOps and middle‑platform efforts—critiques the EPC productivity certification, shares the author’s two‑year hands‑on experience, and outlines practical requirements for tools, environments, and culture to truly improve engineering efficiency.
This article examines Tencent's cost‑optimization journey for its short‑video and streaming services, breaking down human, server, and bandwidth expenses, explaining precise accounting methods, negotiation tactics, usage‑vs‑efficiency strategies, and global resource‑scheduling techniques to achieve sustainable cost reduction.
This article recounts the technical and organizational challenges of building Tencent WeSee's 2020 Spring video red‑packet system, detailing high‑traffic spikes, consistency and security demands, TRPC adoption risks, performance bottlenecks, and the 33 robustness principles that guided the subsequent architecture overhaul.
The article recounts a Tencent engineer's six‑year journey from early DNS‑bypass tricks to modern HTTP/2 + QUIC implementations, highlighting technical challenges, security innovations, and the iterative process behind multiple promotion evaluations.
Joining Tencent in 2011, the author recounts building the Weibo mobile backend, pioneering location-based services with grid indexing, evolving microservice frameworks like TAF, handling massive traffic and early avalanche failures, and reflecting on the rapid rise of smartphones and competitive dynamics with WeChat.
This guide shares years of promotion‑review experience from major tech firms, outlining company‑specific promotion processes and five essential content elements—systematic design, detailed data, derivation reasoning, upstream/downstream context, and comparative analysis—plus practical presentation and logical techniques to help engineers secure promotions and salary raises.
2023 witnessed numerous high‑profile cloud service failures—from Alibaba’s Hong Kong data‑center cooling issue to Tencent’s storage outage—highlighting how cost‑cutting, reduced staffing, and insufficient disaster‑recovery planning amplify risk, and outlining essential high‑availability, failover, and multi‑region strategies for resilient operations.
The article offers senior engineers practical strategies to advance beyond a P7 role, broaden technical expertise, consider market moves, and proactively handle the risk of age‑related layoffs through skill investment, financial planning, and career diversification.
