In a series of candid talks at the 2020 Yunqi Conference, leading experts discuss AI breakthroughs, the evolution of cloud‑native computing, essential product‑manager skills, and the mindset required for modern architects, offering valuable industry perspectives for technology professionals.
The article describes how a Ctrip senior Android engineer uses divide‑and‑conquer, MVP with Clean Architecture, and Jetpack components such as LiveData and ViewModel to break down a highly coupled payment module into reusable view components, improve data flow, and simplify testing and maintenance.
This article analyzes the challenges of tightly coupled microservices and presents practical decoupling techniques—including asynchronous messaging, event‑driven architecture, CQRS, local caching, and service refactoring—to improve resilience and availability in modern backend systems.
This article explores the evolution from traditional to modern data warehouses, outlines the key capabilities of real‑time data platforms such as data real‑time, virtualization, democratization and collaboration, and presents a comprehensive architecture design with unified collection, streaming, compute and visualization layers, while discussing functional, quality, stability, cost, agility and management considerations.
This article discusses how to reduce coupling between microservices by converting synchronous calls to asynchronous messaging, employing message middleware, event‑driven architecture, CQRS patterns, local caching, data landing, and refactoring techniques such as merging services, extracting common modules, and adjusting granularity.
This article chronicles Yanxuan's API gateway evolution—from the early ServiceMesh 1.0 and Ianus (Kong‑based) gateway, through edge‑gateway transitions, to the cloud‑native Envoy gateway—detailing architecture choices, deployment patterns, plugin development, and the operational benefits gained.
This article examines the transition from monolithic to microservice architecture, outlining the benefits and drawbacks of each, the conditions under which microservices should be adopted, the necessary technical and team resources, risk assessments, and practical guidance on service decomposition and migration.
The article explains that game servers, especially real‑time multiplayer titles, avoid microservices because the added network overhead, stateful communication requirements, and strict latency constraints make monolithic or tightly coupled designs more suitable for high‑performance gameplay.
This article examines the evolving challenges of recommendation system architecture, presents the Flowengine platform’s declarative, low‑code, component‑based approach to governance, and demonstrates how it improves scalability, maintainability, and cloud‑native deployment for AI‑driven recommendation services.
Software design, essential for architects, involves modeling domain problems and the resulting system using UML diagrams such as class, sequence, component, deployment, use‑case, state, and activity charts, applied across requirement, conceptual, and detailed design phases to communicate functional, non‑functional, and cost requirements.
The article explains, through interview excerpts, why many game studios avoid microservice architectures for their real‑time servers, highlighting latency‑sensitive communication, stateful processing, and the overhead of distributed networking that conflict with the performance demands of modern multiplayer games.
This article walks through the transformation of a simple online supermarket from a monolithic design to a fully fledged microservice system, explaining the motivations, architectural changes, component selection, common pitfalls, and best‑practice solutions such as service decomposition, database sharding, monitoring, tracing, service mesh, resilience patterns, and testing strategies.
This article explains Kafka's role as a message system, details its fundamental components such as topics, partitions, producers, consumers, and replicas, describes how Zookeeper coordinates the cluster, and explores performance optimizations like sequential writes, zero‑copy, and network design.
The article explores multiple expert perspectives on how to split monolithic applications into microservices, discussing vertical and horizontal decomposition, business logic, stability, reliability, performance, team size, and practical trade‑offs to guide architects in designing scalable, maintainable systems.
The article outlines XdfRTC's high‑concurrency, global coverage, low‑latency, elastic scaling and multi‑platform support features, then details the evolution of RTC media forwarding architectures—including MESH, MCU, SFU, mesh‑based, and hierarchical designs—highlighting their schemes, advantages, and drawbacks.
This article explains the concept of referral (or distribution) business, compares e‑commerce and home‑service referral models, and details the design of a flexible, node‑based commission architecture—including rule configuration, strategy‑pattern implementation, and workflow automation—to support multi‑stage payouts in service‑oriented platforms.
This article examines middleware as a front‑end design pattern, presents simple compose implementations, analyzes real‑world cases like Bridge and Fetch, compares middleware with the decorator pattern, and proposes API design guidelines to balance flexibility and maintainability.
This article explains how Bilibili's GOIM live chat system was architected and continuously optimized to achieve high stability, high availability, and sub‑second latency through modular backend components, memory and module optimizations, and multi‑IDC network improvements.
The article details how the Anjuke iOS client was transformed into a platform‑shared architecture through the “Jupiter Plan”, describing background challenges, multi‑endpoint reuse, shell project separation, build‑speed optimizations, and supporting tools that together boosted development efficiency.
The Youzan mobile order module was refactored by separating UI views, turning the monolithic fragment into a ViewModel‑driven architecture, introducing a dynamic router for flexible navigation, and modularizing card components with independent view models, resulting in lower coupling, easier extensions, and a clear gray‑release strategy.
This article compares monolithic applications and microservice architectures across dimensions such as network latency, development and operational complexity, reliability, resource consumption, scaling precision, throughput, deployment speed, and team communication, highlighting where each approach wins and offering guidance on when to adopt microservices.
This article, excerpted from Wu Sheng’s "Apache SkyWalking实战", explains SkyWalking’s four‑core component architecture, its protocol‑oriented, modular, and lightweight design principles, and highlights its advantages such as seamless traditional and cloud‑native support, easy maintenance, high performance, and extensibility for secondary development.
The article describes how Youzan Mobile replaces its native, labor‑intensive message‑card system with a lightweight Weex container embedded in native MVVM tables, enabling hot‑reloaded, dynamic cards that can be added or updated without app releases, dramatically shortening development cycles and improving performance.
This article compares RabbitMQ and Apache Kafka, explaining their internal mechanisms, key differences in ordering, routing, timing, retention, fault tolerance, scalability, and consumer complexity, and provides guidance on when to choose each technology for modern micro‑service architectures.
This article examines the core concepts, architectural models, scalability, persistence, high availability, performance optimization, and security considerations of distributed file systems, comparing centralized and decentralized designs such as GFS and Ceph to guide future system design decisions.
The Gaode Smart Scenic Spot Pocket‑Player framework provides a cross‑platform, hybrid audio solution that delivers location‑based MP3 guides, isolates business logic via an observer‑based service, manages audio focus and interruptions efficiently, supports cross‑page and offline playback, and enables rapid, low‑resource development for immersive tourist experiences.
This article analyzes the core design goals, architectural models, scalability, high‑availability, consistency, security, and performance considerations of modern distributed file systems, comparing classic solutions like NFS and GFS with newer approaches such as Ceph.
This article introduces the concept, core capabilities, and architectural evolution of a reconciliation center—from its initial 1.0 design through 2.0 and 3.0 upgrades—highlighting problem statements, solution approaches, and the applicable scenarios that make it essential for large‑scale data consistency in modern micro‑service systems.
The article details how the Youzan Retail mobile team re‑architected their hardware SDK—splitting devices into modular AAR packages, introducing layered OEM/Core/Base/Library components, unifying printer protocols with JsCore, and adding IoT monitoring—reducing new device onboarding from days to hours while cutting online issues by up to 55%.
The article reviews the COLA framework’s evolution to version 3.0, explaining how the author applied Ockham’s razor to remove unnecessary commands, interceptors, converters, validators and class‑scanning logic, resulting in a leaner, more maintainable Java backend architecture.
This article provides an in‑depth overview of servers, covering their definition, logical and hardware architecture, firmware and operating systems, various classification schemes (form factor, instruction set, processor count, application type), and a detailed comparison of X86 and ARM server platforms.
This article provides a comprehensive overview of message queue concepts, covering usage scenarios, advantages, drawbacks, technology selection, high‑availability architectures, duplicate handling, data loss prevention, ordering guarantees, latency management, and design principles, supplemented with interview‑style questions and code examples.
This article presents Ant Group’s financial‑grade unitized architecture, detailing industry‑standard distributed models, the design of RZone/GZone/CZone, its disaster‑recovery, elasticity and gray‑release capabilities, and real‑world banking case studies demonstrating cloud‑native deployment strategies in the financial sector.
This article examines the COLA application‑architecture framework, explains how the author applied Ockham’s razor to prune unnecessary concepts such as Command, Interceptor, and Convertor/Validator/Assembler, and shows concrete code before and after the simplification, culminating in a leaner, more maintainable backend design.
This article introduces Spark Thrift Server, explains how to deploy it by copying configuration files and required JARs, details its architecture and SQL execution flow, compares it with HiveServer2, and discusses its advantages, limitations, and practical suitability.
Serverless architecture, defined by CNCF as combining FaaS and BaaS, blurs traditional boundaries, offering elastic scaling, pay‑per‑use, and reduced operational overhead, enabling developers to concentrate on core business logic across static sites, microservices, event‑driven workflows, and data pipelines, as illustrated by real‑world cloud examples.
This article explains Elasticsearch's architecture, including its reliance on Apache Lucene, shard and replica design, routing optimization, JVM garbage‑collection tuning, memory‑locking, and index‑merge control, offering practical guidance for building and operating high‑performance search clusters.
This article explains the purpose and value of architecture diagrams, defines key concepts, outlines five common view types, discusses criteria for good diagrams, highlights common pitfalls, and introduces the C4 modeling approach with examples to help engineers communicate system designs effectively.
This article outlines how Alibaba's Taobao front‑end team built a comprehensive engineering, architecture, and platform ecosystem—including Rax, ICE, PWA, and custom interactive tools—to ensure the 2020 618 e‑commerce promotion ran smoothly and delivered high performance, scalability, and innovative user experiences.
This article examines the rapid rise of live‑ecommerce during the 618 shopping festival, explains why the “live + ecommerce” model demands robust backend, streaming and CDN infrastructure, and details Tencent Cloud’s architectural solutions—including media processing, low‑latency protocols, bandwidth optimization and anti‑attack measures—to support massive concurrent traffic.
This article provides a detailed introduction to server fundamentals, covering what servers are, their logical and hardware architecture, firmware and operating systems, various classification schemes, and the ongoing competition between X86 and ARM server platforms in the data‑center market.
This article explains what an architecture diagram is, why it matters, and provides a step‑by‑step methodology—including business and system modeling, abstraction techniques, and evaluation criteria—to help engineers create clear, purposeful diagrams for diverse stakeholders.
This article explains the evolution of software project architectures—from single‑server monoliths to MVC, RPC, SOA, and micro‑services—while providing clear definitions of key terms such as clusters, load balancing, caching, and flow control for readers unfamiliar with high‑concurrency and distributed systems.
This weekly digest explores model‑centric front‑end architecture challenges, monorepo benefits, new Chrome performance metrics, a hands‑on evaluation of Webpack 5, and edge‑enabled rendering techniques, offering concrete examples and practical insights for modern web developers.
iQiyi’s full‑link automated monitoring platform unifies tracing, metric and log collection with deep offline and real‑time analysis, delivering a DAG‑based call graph, near‑real‑time ingestion of tens of millions of logs, multi‑dimensional alerts and rapid root‑cause diagnosis that cut error‑lookup time by over 50 % and now serves as a core component of the company’s microservice reference architecture.
This article summarizes the design, architecture, and key modules of a company-wide data lake platform—named “Tianchi”—built on HBase, Kafka, and Elasticsearch, detailing data ingestion, strategy output, metadata management, indexing, monitoring, and offline analysis, and shares lessons learned and future plans.
This article examines the design of a real‑time data platform, discussing its background concepts, modern data‑warehouse perspective, architectural layers, unified data‑collection, streaming, compute and visualization platforms, and the functional, quality, stability, cost and agility considerations required for building an end‑to‑end real‑time pipeline.
This article provides a comprehensive overview of the Spring framework, explaining what it is, why it became popular, its ecosystem—including Spring Boot, Spring Cloud, and Spring Cloud Data Flow—while also tracing the evolution of Java web architectures from early JSP/Servlet models to modern MVC and micro‑service designs.
This article explains the fundamentals of multi‑tenant technology, compares three data‑isolation approaches—independent databases, shared databases with separate schemas, and fully shared schemas—highlights their advantages and drawbacks, and outlines key considerations for selecting the most suitable isolation model in SaaS environments.
This article details the comprehensive 2020 refactor of the Koudou internal purchase platform, covering front‑end architecture redesign, module‑based directory structure, performance optimizations, migration to Vue 2 with NutUI 2.x, TypeScript integration, API service modularization, and cross‑platform SDK handling.
This article details JD's PLUS team experience of replacing H5 pages with Flutter, covering why Flutter was chosen, migration costs, H5/Native interaction, debugging, downgrade strategies, integration workflow, MVVM‑Redux architecture, performance comparison, and future directions.
The article surveys how leading Chinese tech firms such as JD Daojia, Ctrip, Qunar, 58.com, and Didi have adopted Elasticsearch for large‑scale search, real‑time analytics, and security, detailing their evolving cluster architectures, shard strategies, data volumes, and supporting services.
This article chronicles the step‑by‑step evolution of Android POS SDK integration at Youzan, from quick‑start direct SDK embedding, through componentized hardware abstraction, to slimmed‑down differential packaging, and finally to a clean AIDL‑based service‑APK architecture that reduces coupling, improves extensibility, and lowers maintenance overhead.
This article explains the fundamentals of microservice architecture, contrasts it with traditional three‑layer monolithic designs, outlines its characteristics, benefits, drawbacks, and implementation challenges, and compares it to SOA, providing a comprehensive overview for developers and architects.
This article provides a comprehensive overview of Kubernetes, covering its definition, advantages, core features, typical use cases, architectural layout, essential control‑plane and node components, as well as common add‑on tools for monitoring and networking.
This article explains how WeChat Pay tackled inconsistent iOS and Android implementations by creating a C++‑based cross‑platform framework, introducing UseCase and UIPage abstractions, a routing mechanism, unified network request handling, and standardized data flow, resulting in reduced code, faster feature delivery, and higher stability.
This article explains the evolution from manual deployment to container orchestration, compares Docker Compose, Mesos, and Kubernetes, outlines DevOps principles, and provides a detailed overview of Kubernetes origins, features, architecture, and core components.
This article explores the fundamentals of logical architecture, covering basic constraints, common software design principles, design patterns, module reuse strategies, abstraction techniques, granularity trees, and practical layering approaches to help engineers build scalable, maintainable systems.
Tencent’s cloud native development platform enables mini‑programs like WeChat Reading and Maoyan Movie to handle tens of millions of daily users and billions of requests by leveraging serverless architecture, multi‑cluster deployment, automatic scaling, and extensive performance optimizations across data pipelines and underlying resources.
This article explains how to build a highly available Redis service by analyzing failure scenarios, comparing single‑instance, master‑slave with one or multiple Sentinel processes, and finally presenting a three‑Sentinel architecture that ensures continuous service despite node or network outages.
The article chronicles Youku’s front‑end transformation over the past two years, detailing the migration from PHP to Node.js, the shift from Bigpipe + jQuery to React server‑side rendering, performance gains, component‑level isomorphism, serverless SSR strategies, and the open‑source framework that underpins these changes.
This article explains what microservices are, outlines their advantages and design considerations, and provides a practical Node.js/Express example that demonstrates a simple ticket‑query microservice along with deployment tips and best‑practice guidance.
Beike’s real‑estate platform transitioned from a monolithic application to a service‑oriented, domain‑driven mid‑platform, detailing the architectural analysis, phased evolution, componentization, data services, and operational insights that enabled scalable, reusable business capabilities across multiple city‑level services.
This article provides a comprehensive overview of the ARMv8‑A architecture, explaining its RISC characteristics, execution states, instruction sets, register usage, and addressing modes, helping readers grasp the fundamentals needed to run operating systems like openEuler on ARM‑compatible servers.
This article shares a comprehensive architecture methodology from an experienced Alibaba senior engineer, detailing problem identification, various architecture classifications, top‑down and bottom‑up derivation techniques, and practical steps to design logical, physical, and business architectures for reliable software development.
Facing performance and stability limits of native and Weex, Alibaba’s Xianyu migrated to Flutter through a three‑year research, validation and rollout process, building a Spring‑IoC‑style modular architecture, the Flutter_Boost hybrid stack, and extended engine features that doubled development speed, achieved 80 % code sharing, and outperformed native apps on low‑end phones, while paving the way for the Alibaba‑wide AliFlutter initiative.
Over seven months, Didi’s Elasticsearch team upgraded more than 30 clusters, 2,000 nodes and 4 PB of data from version 2.3.3 to 6.6.1, overcoming protocol and mapping incompatibilities with a multi‑version Arius Gateway, custom Java SDK, ECM and AMS, while saving 1 PB of storage, decommissioning 400 machines, boosting query speed by 40 %, write throughput by 30 % and cutting CPU use 10 % for an estimated 80 w/month cost reduction.
This article examines Taobao’s pivotal architectural transformation from a monolithic codebase to a large‑scale distributed system, detailing the challenges of personnel, business complexity, Oracle bottlenecks, and hardware limits, and describing the comprehensive solutions involving code and interface vertical splitting, custom middleware, database sharding, and new infrastructure.
Youzan redesigned its ID generator to run independent March instances per room, sharing a single etcd cluster but allocating distinct, non‑overlapping ID ranges via boundary, lower, and upper parameters, enabling room‑level high availability, horizontal scaling, and zero‑downtime migration with automated tooling.
Nightingale, an open‑source enterprise monitoring platform from Didi, combines cloud‑native design, high availability, flexible plugins, and a powerful object‑tree navigation to meet the monitoring needs of both small clusters and massive deployments, while extending and improving upon Open‑Falcon.
This reading note explains the definition of architecture, its three essential elements, the role of an architect, how to distinguish problems, means and challenges, and how model‑thinking complements architectural thinking through concrete examples and classic models such as the cognitive pyramid and the Solow growth model.
Nightingale, Didi’s open‑source enterprise monitoring platform, builds on Open‑Falcon but adds a hierarchical object tree, in‑memory indexing, Gorilla‑compressed time‑series storage, a hybrid push‑pull alert engine, built‑in log monitoring, and a unified monapi module, delivering scalable, cloud‑native observability for both container and bare‑metal workloads.
This article details the design and implementation of Ctrip's hotel Android map features, covering business background, module architecture, coordinate system handling, multithreading challenges, and practical solutions such as MVP, AsyncTask, and atomic flags to ensure smooth user experience.
Youzan’s Task Scheduling Platform (TSP) unifies its legacy cron and timeout systems into a modular, extensible framework that supports both timed and delayed tasks, offering per‑task rate limiting, sharding, isolation, retry policies, and a rich SDK, while its roadmap adds end‑to‑end monitoring, workflow orchestration, domain‑level clustering, transactional messaging, and dynamic task registration.
This article explains the origin of the term Kubernetes, clarifies what containers are and why they’re popular, outlines when to adopt Kubernetes, and details its architecture, core components, pods, and key controllers such as ReplicaSet, Deployment, Service, and Ingress.
This article provides a comprehensive overview of REST architecture, covering its core concepts, differences from SOAP, the Richardson Maturity Model, detailed explanations of HTTP verbs and response codes, resource identification standards, description languages, server frameworks, and client tools for building and testing RESTful APIs.
This article provides a comprehensive, illustrated introduction to Kubernetes, covering its definition, key advantages, practical scenarios such as logging, DevOps, and microservices, core features, architecture, and essential master and node components for beginners.
This article shares practical thinking frameworks such as OGSM and 5W1H, explains iterative internet mindset, demonstrates their application to software architecture design, defines architecture concepts, outlines common architectural goals, evaluation metrics like SLA, and presents a toolbox of techniques ranging from single‑machine performance to micro‑service high‑availability patterns.
This article chronicles the evolution of the BeLiao kindergarten parent platform, detailing its three‑stage architectural transformation—from an initial simple LNMP monolith, through a Java‑based distributed V2.0 redesign, to a full microservice V3.0 system—highlighting the challenges, decisions, and technologies that enabled rapid growth and high availability.
The article examines the architectural differences between microservices and Service‑Oriented Architecture, covering component sharing, service orchestration versus choreography, middleware roles, API layers, and remote service access, highlighting how each style impacts coupling, performance, and deployment complexity.
Transitioning from a monolithic architecture to microservices can be fraught with hidden complexities, but by following twelve proven best‑practice guidelines—such as independent data stores, dedicated teams, automated deployments, RESTful APIs, cultural shifts, and incremental migration steps—organizations can avoid costly pitfalls and achieve a smoother, scalable transformation.
This article explains the fundamentals of serverless computing, distinguishes between Function as a Service (FaaS) and Backend as a Service (BaaS), describes how the model works, outlines ideal use cases, and discusses its limitations such as cold starts, vendor lock‑in, debugging difficulties, and configuration complexity.
This article details the design, architecture, and implementation of a mobile instant‑messaging system for a travel platform, covering data‑channel handling, subscription and UI rendering, message de‑duplication, local push, reconnection strategies, message‑line management, and a migration to WebSocket for improved performance.
This article examines the long‑standing technical and operational challenges of Alibaba's DataWorks platform—such as heavy legacy baggage, complex environments, tight coupling, and frequent releases—and explains how adopting a cloud‑native microservice architecture, service mesh, and DevOps practices can transform the platform into a flexible, scalable, and future‑proof data development ecosystem.
This article explains Docker’s origins from LXC, its relationship with Linux containers, core components such as images, containers, and registries, compares Docker with traditional VMs, and details the internal architecture including client, daemon, server, engine, jobs, drivers, and libcontainer.
This article presents a comprehensive case study of integrating React Native into the 58 Car Dealer mobile application, covering background, module selection, communication mechanisms, UI development, server design, hot‑update workflow, packaging, debugging, pitfalls, and future optimization directions.
This article outlines how modern internet companies design a scalable architecture by integrating DNS resolution, load balancing strategies, persistent connections, API gateways, push notification systems, microservice communication, distributed transactions, and supporting infrastructure services.
This article walks through the transformation of an online supermarket from a simple monolithic website to a fully fledged microservice architecture, highlighting the motivations, design decisions, common pitfalls, and essential components such as monitoring, tracing, logging, gateways, service discovery, circuit breaking, testing strategies, and service mesh adoption.
This article summarizes NetEase Hangzhou Research Institute expert Fan Xinxin's presentation on HBase, covering its role in the big‑data ecosystem, core production scenarios, RIT and HBCK troubleshooting techniques, and systematic monitoring and log‑analysis methods for diagnosing HBase issues.
This article presents a collection of diagrams illustrating the architecture of Ant Financial’s Intelligent Finance Engine, sourced from publicly available material, and includes related reading links for further insight into the system’s design.
This article walks through the evolution of an online supermarket from a simple monolithic website to a fully split microservice system, highlighting the motivations, architectural changes, common pitfalls, and practical solutions such as monitoring, tracing, service discovery, circuit breaking, testing, and the eventual adoption of a service mesh.
This article outlines ten essential microservices best practices—from domain‑driven design and independent databases to async communication, observability, and organizational alignment—providing a comprehensive guide for building scalable, maintainable service‑oriented systems.
This article explains the fundamentals of microservices architecture, detailing its definition, core principles such as small independent services and lightweight communication, the advantages and drawbacks, suitable organizational contexts, and the essential technical components like service discovery, gateways, configuration centers, monitoring, circuit breaking, and container orchestration.
This article details the background, goals, architecture, implementation, and future plans of the PASSPORT SDK developed to unify account systems across 58 Group apps, emphasizing a layered backend design, simple interfaces, black‑box service flows, and extensible features for mobile developers.
This article explains how to evolve a simple single‑node backend by adding a reverse proxy, introducing load balancers, scaling databases, adopting micro‑services, leveraging caches and CDNs, using message queues, and applying partitioning techniques to handle massive traffic while maintaining consistency and reliability.
This article provides a comprehensive overview of Toutiao's rapid growth and technical architecture, detailing its massive user base, data collection pipelines, user modeling, recommendation engines, storage solutions, message push mechanisms, micro‑service design, and virtualization PaaS platform.
To generate a user‑enriched order report in a microservice system, the article compares four approaches—direct DB access, REST data aggregation, batch pulling, and an event‑driven model—highlighting their trade‑offs in coupling, performance, scalability, and resilience, and recommends the event‑push solution.
This article walks through a typical image‑service architecture, detailing each step from the user's search query and DNS lookup through load balancing, caching, database access, asynchronous processing, search, cloud storage, CDN delivery, and final page rendering.
At CNBPS 2019, Tencent Cloud architect Kong Lingfei explained the evolution, architectures, and practical use cases of Serverless, detailing its three technical models, supporting tools, and real‑world deployments, illustrating how the shift to Function‑as‑a‑Service reduces operational overhead and accelerates product development.
This article explains how a CPU executes programs through the fetch‑decode‑execute cycle, describes instruction sets, registers, pipelines, superscalar and multithreaded designs, and details the cache hierarchy from registers to L3, providing a comprehensive overview of modern processor fundamentals.
