Internet tech practitioner sharing insights on business architecture, technology, and a lifelong love of tech.
In shrinking teams and tight budgets, tech leaders risk chasing superficial AI trends instead of solidifying their role, so the article outlines how to define a clear identity, focus on verifiable results, balance core work with experimental AI projects, and communicate impact effectively in interviews.
On June 12, 2025, a faulty policy update in Google’s Service Control triggered null‑pointer crashes across regions, causing a global outage that also impacted Cloudflare, Twitch, Discord, and others; the incident exposed missing feature flags, inadequate error handling, and lack of exponential backoff, prompting rapid SRE remediation.
In a candid coffee‑shop conversation, an experienced tech leader shares actionable guidance on leveraging AI tools, mastering up‑ and down‑management, expanding influence, and smoothly landing in new teams to accelerate career growth for engineers aspiring to leadership roles.
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.
