ByteDance successfully delivered the Spring Festival Gala 2021 project within 27 days, leveraging advanced infrastructure and organizational strategies to handle unprecedented traffic and ensure a seamless user experience.
This article provides an in‑depth overview of monitoring, covering its purpose, key objectives, practical methods, core processes, a detailed comparison of popular monitoring tools such as Zabbix and Prometheus, and best‑practice recommendations for building scalable, reliable, and intelligent monitoring platforms.
This article examines the fundamental architecture of autonomous driving, highlighting the three core technical contradictions—rapid iteration versus functional safety, sensor and compute demands, and hardware performance versus automotive-grade safety—while outlining a staged development roadmap, hardware and software evolution strategies, and the long‑term goal of safe, reliable driverless operation.
This guide walks through installing HashiCorp Vault on Linux and Kubernetes, configuring it for secret management, enabling Kubernetes authentication, creating policies and roles, and accessing secrets via initContainers or the Vault SDK, providing a complete end‑to‑end secure integration.
The article explains how to construct an effective DBA operations team by focusing on reusable infrastructure, clear team standards, a structured training system, a comprehensive knowledge base, and a positive team atmosphere, providing practical tools and methods for each aspect.
This article details Ant Group's two‑year journey of adopting Service Mesh at massive scale, explaining why Service Mesh is needed for microservice governance, heterogeneous system unification, and financial‑grade security, and describing the architecture, migration strategies, stability mechanisms, operational results, and future directions toward a full mesh and serverless era.
This article explains what data centers are, outlines their core components—compute, storage, and networking—covers architectural decisions, industry standards, and emerging technologies such as edge computing, micro‑data centers, cloud integration, SDN, HCI, containers, NVMe, and GPU acceleration, highlighting their impact on modern enterprise operations.
This article recounts a two‑year journey of migrating from Ansible‑managed EC2 deployments to Kubernetes, detailing the motivations, migration strategy, operational challenges, tooling choices, resource management, security, cost considerations, and the development of custom controllers and CRDs to run production workloads reliably.
The article explains how Twitter built the Account Activity Replay API by repurposing Kafka as a storage layer, detailing the system’s architecture, partitioning strategy, request handling, deduplication, and performance optimizations to provide reliable event recovery for developers.
The article outlines DiDi’s six‑year autonomous‑driving research, describing the three‑layer hardware‑onboard‑cloud infrastructure, key trade‑offs such as rapid iteration versus functional safety, sensor resolution versus compute, and hardware performance versus automotive‑grade reliability, and presents a staged evolution roadmap toward fully safe, driverless operation.
This article explains what a data center is, its core components of compute, storage, and networking, the operational and architectural considerations for reliability and security, and reviews industry standards and emerging technologies such as edge computing, cloud integration, SDN, HCI, containers, NVMe, and GPU acceleration.
This article provides a curated list of widely used domestic and official open‑source software mirror sites for 2020, explaining why mirrors are needed, offering categorized URLs, and giving brief guidance on choosing and using them for faster, more reliable downloads.
This article provides a concise, three‑chapter overview of servers, defining what a server is, detailing the hardware components that make up modern server systems, and explaining the software layers—from operating systems to virtualization and cloud services—that enable diverse enterprise applications.
This article outlines a comprehensive DevOps operations framework, tracing its evolution from traditional ops to modern automation, detailing business standards, work policies, system integration, and best‑practice norms to achieve high SLA, low cost, and a one‑stop operational platform.
This article surveys ten newly released Kubernetes‑related platforms and tools—from Docker Enterprise 3.1 to KubeCarrier—highlighting their key features, cloud‑native capabilities, and the impact they are expected to have on enterprise IT environments.
This article analyzes Beike's massive real‑estate ecosystem, detailing the intricate business flows, technical architecture, and quality‑assurance challenges, and explains how a suite of internal platforms—KeTest, KeOnes, sosotest, KeDiff, KePTS, and KeMTC—are engineered to deliver high‑performance, highly available services at scale.
This article describes how an online education platform reduced infrastructure costs and improved service reliability by replacing XEN with KVM, building resource‑tracking platforms, adopting Kubernetes‑based containerization, implementing rapid auto‑scaling, and establishing systematic resource auditing and standardization processes.
The article presents a series of interviews from Qunar's Technology Carnival, featuring experts Liang Zhangping, Wang Zhufeng, and Zheng Jimin who discuss hotel booking flow improvements, database architecture comparisons and migration to PXC, and comprehensive system stability governance practices.
Lyft open‑sourced Clutch, a scalable UI and API platform that unifies infrastructure tooling with built‑in security, authorization, and observability, offering a single binary Go backend and plug‑in React frontend to simplify operations, reduce MTTR, and improve developer experience across large cloud‑native environments.
Meituan migrated its massive cloud infrastructure from OpenStack to Kubernetes, containerizing over 98 % of services and implementing custom scheduling, NUMA‑aware placement, fine‑grained resource isolation, and an internal management platform that boosted stability above 99.99 %, cut costs, and paved the way for unified VM‑container scheduling and broader cloud‑native workloads.
NetEase Media transformed its infrastructure by containerizing services, establishing multiple resource pools, implementing a ServiceMesh with NSF, and isolating beta and production environments, resulting in higher CPU utilization, automated scaling, and improved stability, while sharing lessons learned and future plans.
Discover a curated list of powerful open-source Kubernetes management solutions—including K9s, Rancher, Dashboard, Kubectl, Kubeadm, Helm, KubeSpray, Kontena Lens, and WKSctl—detailing their core features, deployment options, and how they streamline cluster monitoring, configuration, and application lifecycle across cloud-native environments.
This article details Zhejiang Mobile's adaptation of Google‑originated Site Reliability Engineering to a telecom environment, outlining a three‑layer capability framework, standardized processes, integrated platforms, and measurable outcomes that demonstrate how agile SRE practices can boost reliability and scalability in traditional industries.
The July 13, 2020 GitHub outage, triggered by load‑balancer misconfiguration, a database connection error during partitioning, and a network‑config mistake, sparked worldwide developer panic, highlighted reliability concerns, and revealed challenges in scaling cloud infrastructure amid the pandemic.
iQIYI’s IPv6 rollout, responding to the national deployment plan, coordinated multiple technical teams to redesign its network and introduced the “iQIYI IPv6 Cloud Control” scheme that manages IPv4/IPv6 switching and fallback, reaching more than 200 million active IPv6 users and 800 GB traffic peaks, guided by long‑term strategic value, clear milestones, and engineers’ curiosity to expand IPv6‑driven service quality and cost savings.
Suning’s data center team completed a record-breaking migration of 26,888 servers across 75 days, detailing the planning, tight time windows, intensive communication, cross‑team coordination, risk management, and efficiency gains that enabled zero‑downtime migration and significant cost savings for future operations.
This article details JD Cloud's comprehensive operational preparation for the 618 shopping festival, covering early resource procurement, hardware fault management, network and CDN scaling, extensive capacity‑testing, disaster‑recovery drills, and cross‑departmental coordination that together ensured stable service during massive traffic spikes.
This article provides an extensive overview of monitoring in operations, covering its objectives, methods, core concepts, a wide range of open‑source and commercial tools, detailed metric categories, alerting mechanisms, interview tips, and recommendations for building a robust, scalable monitoring ecosystem.
This article examines the rising trend of serverless containers, their application value, architectural design for cloud‑native Kubernetes, key challenges such as startup latency and scalability, and how Alibaba Cloud's Serverless Kubernetes and ECI solutions address these issues while offering a free learning course.
This article provides a comprehensive overview of server fundamentals, covering hardware components, CPU architectures, storage and RAID configurations, as well as network card functions, classifications, connector types, and related optical and copper cabling options.
This article outlines the critical backend components required for building robust Java services, covering API gateways, MVC/IOC/ORM frameworks, caching, databases, search engines, message queues, file storage, unified authentication, configuration, service governance, scheduling, logging, data pipelines, and monitoring strategies.
On March 12 the Redis website experienced an unusual outage caused by an out‑of‑memory error from a Try‑Redis session leak on a low‑cost DigitalOcean droplet, prompting a rapid upgrade and configuration changes to restore service.
This article explains how virtualization, especially the open‑source hypervisors KVM and XEN, underpins cloud computing, outlines cloud service and deployment models, compares full and para‑virtualization, and evaluates the strengths and adoption of each technology in today’s major cloud providers.
This article explains the differences between IAAS, PAAS, and SAAS by comparing them to various ways of obtaining pizza, then maps the analogy back to cloud computing layers, describing each service model and its typical providers.
This article explains what a server cluster is, why organizations adopt clusters for performance, cost, scalability and reliability, outlines the main cluster categories such as load‑balancing, high‑availability and HPC, and offers guidance on selecting appropriate software and hardware solutions.
This article introduces an open‑source, four‑layer CMDB designed for operations teams, detailing its storage, data, API, and UI layers, dynamic modeling capabilities, searchable CI APIs, various resource views, relationship mapping, and role‑based permission management, while providing deployment links and usage notes.
This article introduces Jenkins infrastructure setup, including installation via Ansible, Puppet, Chef or Docker, outlines management tools such as CLI, REST API, python‑jenkins and Jenkins‑client, describes project creation plugins like Job DSL, Job Builder and Jenkinsfile, and explains system configuration using Groovy scripts and the Configuration‑as‑Code plugin.
Tencent’s QQ service migrated over a million servers to public cloud, detailing comprehensive planning, phased execution, and solutions to security, dependency, disaster recovery, and gray‑scale challenges, while highlighting infrastructure upgrades, database migration, cloud‑native tools, and operational transformations that ensured zero user impact.
This article details how Ping An Bank tackled rapid growth and complex regulatory demands by creating an automated operations middle‑platform, designing a CMDB with data‑closure and subscription mechanisms, and implementing orchestration, gray‑scale deployment, and high‑risk detection to achieve resilient, scalable infrastructure management.
Tencent’s 2019 infrastructure breakthrough revealed a million‑plus servers, 100 Tbps network bandwidth, modular data centers, self‑developed hardware and software innovations that together slashed total cost of ownership by 30%, boosted efficiency, and pushed cloud elasticity to new heights.
Youzan’s mobile infrastructure combines enforced pre‑release processes, unified permission workflows, cross‑platform Zan Weex and emerging Flutter support, dynamic configuration, robust CI, logging, testing, and shared component libraries to deliver efficient, high‑quality, gray‑/conditional‑/full releases while fostering collaboration across its mobile development teams.
This article outlines the comprehensive responsibilities and evolution of IT operations, covering system, application, database, security, and platform management, detailing tasks such as infrastructure building, monitoring, optimization, automation, and the shift from manual processes to self‑scheduling systems.
The article analyzes how enterprises are shifting to cloud platforms, the resulting idle data centers, market forecasts for public and private cloud growth, and proposes modernization strategies—including continuous technology updates, workflow optimization, fault simulation, hybrid deployment, and virtualization—to meet the increasing demand for efficient, scalable infrastructure over the next few years.
The article recaps Tencent Cloud’s Serverless operational suite—covering built‑in DevOps tools, logging, monitoring, auto‑scaling, and security—demonstrating how it replaces manual IaaS provisioning, accelerates development, and enables cloud‑native management, illustrated by a WeChat Mini‑Program album that cut build time from months to two weeks.
The article explains Coinbase’s unique security and infrastructure requirements for blockchain nodes, describes the challenges of blue‑green deployments, and details the Snapchain system built on AWS that enables fast, reliable snapshot‑based node provisioning, upgrades, and high‑availability scaling.
The November 13 Helm 3 release eliminates Tiller, addresses major Helm 2 shortcomings such as template engine bugs, hook handling, and resource conflicts, and introduces a cleaner architecture that aligns Helm with modern Kubernetes practices while offering new features like multi‑cluster support and dependency checks.
This article outlines Pony.ai's comprehensive autonomous driving infrastructure, describing traditional internet back‑end components, additional vehicle‑mounted systems, large‑scale simulation, data challenges, and the reliability, performance, and flexibility practices needed to support rapid growth and safe robotaxi operations.
This guide explains how to achieve Jenkins high availability by deploying two Jenkins master nodes behind HAProxy, sharing Jenkins home via NFS, and configuring HAProxy load balancing and health checks, including detailed host setup, NFS and Jenkins installation steps, and test results.
The 2019 China Project Management Development 20‑Year Achievement Forum highlighted Alibaba Infrastructure's award for Best Enterprise Practice, where its PMO shared a layered strategic project management framework that translates departmental strategy into executable projects, offering insights for organizations facing rapid market changes.
At the ODCC 2019 Open Data Center Conference in Beijing, Alibaba server architect Guo Rui unveiled the open‑source “Fangsheng” project, detailing a new cloud‑server architecture that addresses ultra‑large scale, diverse customer needs, and intense competition by improving cooling, power efficiency, modularity, and deployment flexibility for Chinese cloud data centers.
This article explores the origins, architecture, and real‑world implementation experience of enterprise hybrid multi‑cloud, covering security solutions, resource pooling, IaaS/PaaS/SaaS layers, and common challenges such as data placement, network reliability, traffic routing, and standardization.
The author reflects on seven years of OpenStack, highlighting its declining community activity, lack of profitability, ineffective technical committee, poor enterprise value, competition from Kubernetes and PaaS, and argues that technical quality alone cannot reverse its downward trajectory.
In a two‑hour interview, Zhang Qinglong, China Bank’s data‑center operations chief, recounts his 38‑year journey from the early B20 accounting system to today’s cloud‑driven services, sharing lessons on responsibility, ITSM adoption, essential skills, and the future direction of IT operations.
The article traces the shift from physical‑server deployments to container‑cloud platforms, defines a newly coined “container ops pattern”, explains its core scenarios, compares declarative and imperative workflows, dissects Kubernetes API objects, controllers, and interfaces (CRI, CSI, CNI), and outlines the master‑node architecture that underpins modern cloud‑native operations.
This article explains how to structure modular Puppet code by configuring environments, creating reusable modules, and designing classes, covering environment paths, hiera data, module generation, publishing to the Forge, and key class functions such as include, require, contain, and hiera_include.
This article recounts AdMaster's five‑year journey from a few dozen servers to thousands, detailing the evolution of their monitoring infrastructure, the challenges faced at each scale stage, and the design of a self‑built, distributed monitoring platform that delivers real‑time alerts, visualized data, and business‑level insights.
This article provides a comprehensive overview of OpenStack, covering its history from early Amazon web services to its open‑source launch, the governance of the OpenStack Foundation, the evolution of its releases, core components, widespread adoption, and practical guidance for learning the platform.
This article examines Alibaba Cloud’s intelligent data center ecosystem, covering market share, global distribution, operational challenges, AIOps evolution, multi‑layered infrastructure platforms, demand forecasting, fault prediction, and future smart‑automation prospects for large‑scale cloud operations.
The article presents a comprehensive overview of Pony.ai's autonomous driving infrastructure, covering the core infrastructure team’s responsibilities, vehicle onboard systems, simulation platform, data architecture, and supporting services, while discussing the technical challenges and engineering practices employed to achieve scalability, reliability, and high performance.
This article provides an extensive overview of how startups can design, select, and integrate languages, components, processes, and systems—such as project management, DNS, load balancing, databases, messaging, monitoring, and deployment—to construct a robust and scalable backend architecture.
This article outlines the three main load‑balancing methods—DNS, hardware, and software—detailing their advantages and drawbacks, then explains common algorithms such as round‑robin, weighted round‑robin, least‑connections, performance‑based, and hash, and provides guidance on combining them for optimal architecture.
This article introduces Kubernetes from a beginner’s perspective, covering its historical background, core design principles, architecture components such as Master and Node, key concepts like declarative APIs, containers, Pods, Services, and demonstrates how to create clusters, deploy, scale, and update applications, while also highlighting its role in cloud‑native environments.
This article analyzes the essential capabilities required for building a DevOps infrastructure in traditional enterprises across foundation, development, testing, operations, and project management, mapping each capability to representative tools and offering guidance on flexible, evolving architecture design.
The article examines why Chinese software engineers face severe overtime compared to their U.S. counterparts, analyzing product decision processes, the low technical voice in China, infrastructure shortcomings, and cultural attitudes toward work‑life balance, revealing systemic factors behind the disparity.
As internet traffic surges, organizations must juggle legacy and new architectures while balancing stability and cost, prompting a shift toward goal‑oriented operations platforms that let systems automatically determine optimal actions based on real‑time conditions and knowledge bases.
This article explores the essential concepts for selecting and building an operations monitoring platform, reviewing popular tools such as Cacti, Nagios, Zabbix, Ganglia, Centreon, Prometheus, and Grafana, and outlines a six‑layer architecture and practical strategies for scaling, alerting, and high‑availability in diverse environments.
This article outlines Manbang Group’s HuoCheBang migration to cloud‑native architecture, detailing the unified monitoring platform Galileo, the Kubernetes‑based container cloud Planck, the microservice environment Newton, and the DevOps platform Solvay that together enable scalable, observable, and efficient service delivery.
This article provides a detailed technical overview of data‑center (computer‑room) construction, covering renovation, ceiling, wall, partition, shielding, lightning protection, power distribution, HVAC, UPS, fire safety, and monitoring systems to ensure reliability, safety, and efficient operation.
This article explains the concept of operations security, why it has become critical, enumerates common mis‑configurations and vulnerabilities such as open ports, weak permissions, insecure scripts and supply‑chain risks, and provides a comprehensive set of best‑practice guidelines and an enterprise‑level framework to build a resilient operations security posture.
Xianyu tackled Flutter adoption by creating a private CocoaPods CI pipeline, a component‑based fishRedux architecture, and a shared‑GL engine modification that let native middleware run in Flutter, thereby unifying Android, iOS, and Flutter development, improving build speed, and contributing tools back to the community.
This article provides a detailed overview of Internet Data Center (IDC) design, covering classification levels, functional zones, network architecture, server and storage systems, power and cooling infrastructure, fire protection, security, and green building practices for reliable, uninterrupted operation.
This article traces OpenStack’s rise, decline, and recent resurgence, describing how the foundation refocused on core services, launched pilot projects in CI/CD, containers, edge computing, and AI, and positioned the platform as a mature, widely‑adopted private‑cloud solution.
Meituan’s HULK platform is a custom container‑cluster manager that integrates service governance, deployment and monitoring, while employing kernel patches, enhanced cgroup controls, dynamic CPU/memory isolation, P2P image distribution and in‑container core‑dump handling to overcome stability, performance and resource‑reporting challenges.
The article provides a comprehensive technical overview of OceanBase Cloud Platform (OCP) 2.0, detailing its redesigned architecture, reduced deployment complexity, high‑availability features, unified resource scheduling, monitoring, diagnostics, and how these innovations address infrastructure and business challenges while lowering costs.
This article provides a comprehensive overview of data‑center rack cabinets, covering size specifications, power and cooling requirements, key industry standards such as IEC 60297‑1 and EIA‑310‑D, structural components, environmental considerations, load capacity, and practical design guidelines for safe and efficient deployment.
This article outlines the critical backend components and best‑practice architectures—including API gateways, load balancers, service frameworks, caching, databases, search engines, messaging, authentication, configuration, scheduling, logging, data pipelines, and monitoring—that together ensure stable, maintainable, and high‑availability services for modern internet companies.
The article reviews Alibaba's operational evolution, tracing stages from manual and script‑based Ops through tool‑centric and platform‑centric DevOps, to data‑driven DataOps and AI‑enhanced AIOps, while highlighting the skill shifts and challenges faced by modern SRE teams.
This article provides a comprehensive overview of internet operations, detailing how service‑centric stability, security, and efficiency are achieved through infrastructure management, monitoring, risk mitigation, and continuous optimization, while outlining the various operational roles, their duties, and the evolution of ops practices.
Google’s production environment spans a global edge network, massive data centers, sophisticated job scheduling with Borg, distributed storage systems like Bigtable and Spanner, and comprehensive monitoring, illustrating how user requests traverse multiple layers—from ISP to edge, GFE, load balancers, and finally to services.
Youzan created a cost-effective multi-project testing environment by introducing a weakly isolated “service-chain” that propagates identifiers across RPC and REST calls, standardizing entry/exit points, automating provisioning, and integrating the isolated environments into CI/CD pipelines through cross-team collaboration and tooling.
This article shares JD.com’s extensive experience redesigning Kubernetes for massive production use, covering custom DNS and load‑balancing, scaling clusters to ten‑thousand nodes, adapting controllers, building the Archimedes scheduler, and practical insights on resource isolation, deployment, and high‑traffic elasticity.
This article explains how OpenStack Ironic enables bare‑metal provisioning as a cloud service, outlines scenarios where physical servers outperform virtual machines, details Ironic’s architecture and evolution, compares billing models, and highlights future trends for bare‑metal cloud offerings.
This comprehensive guide explains what large‑scale website operations entail, outlines the product lifecycle involvement of ops engineers, details the technical and personal skills required, and discusses current challenges, future prospects, and key technologies such as cluster management, monitoring, fault handling, and automation.
This article provides a comprehensive overview of OpenStack's architecture, details each core service with its role, and walks through step‑by‑step commands to configure a functional OpenStack Pike environment on CentOS, including networking, database, messaging, and storage components.
The QInfrarch special session of the 2018 Qunar Technology Carnival gathered a packed audience on May 27, featuring multiple technical talks on real‑time push architecture, IDC networking, ticket search, decentralization, multi‑datacenter redundancy, and fault‑injection platforms, followed by lively Q&A, networking, and enthusiastic follow‑up requests.
Google’s technical infrastructure—supporting services like Search, Gmail, G Suite, and GCP—employs layered physical, hardware, software, and operational security measures, including biometric access, custom secure chips, encrypted boot, service isolation, identity management, and robust DoS defenses to protect data and operations worldwide.
This article presents twenty practical principles for building and maintaining an effective, business‑oriented operations automation system, covering mindset, architecture, design, tooling, team composition, data handling, security, and implementation best practices for modern enterprises.
This article explores the essence of operations automation by presenting three real-world platform case studies, analyzing their architectures, tools, and implementation challenges, and then discusses universal automation principles, intelligent ops concepts, and career guidance, blending technical depth with personal motivation.
This article outlines Alibaba's DevOps transformation, describing the three operational stages, four foundations of automated operations, CI/CD implementation, essential system characteristics, development‑defined operations, config‑driven changes, and the tools that enable high‑availability, efficiency, and scalability.
This step‑by‑step guide shows how to configure Route53 DNS, prepare a VM with required tools, create an S3 state store, provision a Kubernetes cluster on AWS using kops, validate it, expose a sample service, and clean up the resources.
The article outlines the seven essential competencies—flexibility, security, collaboration, scripting, decision‑making, infrastructure knowledge, and soft skills—that DevOps engineers must master to bridge development and operations, accelerate delivery, and maintain secure, reliable systems.
This article explains how to build a highly available Redis deployment using Redis Sentinel, compares several architectural options, and details the final three‑sentinel design that tolerates node, process, and network failures while keeping client access simple.
This article explains why X86 bare‑metal services are essential for high‑performance, security‑critical workloads, describes their architecture and management processes, and outlines the steps—standardization, automation, service‑orientation, and self‑service—used by Hengfeng Bank to implement and operate them.
This article chronicles Tencent's network journey from its modest 2004 infrastructure through rapid expansion, critical incidents, and architectural breakthroughs like SET zones, SDN, and MPLS VPN, illustrating how the company transformed its data‑center operations to support massive user growth.
This article details the end‑to‑end cloud migration of China Telecom's payment platform, covering pre‑migration challenges, architectural redesign, data‑sync strategies, the eight‑hour cut‑over process, post‑migration performance gains, and future DBaaS plans, all based on a 2017 DBAplus conference talk.
This guide explains how to create a personal CDN by deploying multiple edge servers, using Geo‑IP‑aware DNS routing, leveraging Amazon Route 53 latency‑based routing, synchronizing content, handling SSL with Let’s Encrypt, and evaluating performance across continents.
This guide explains why a custom CDN can outperform commercial services, walks through using geo‑aware DNS, BGP Anycast limitations, setting up edge servers, distributing static content, handling SSL certificates, and shares real‑world performance results and lessons learned.
This article explains Docker’s role in modern IT by outlining the challenges faced by companies, comparing VMs and containers, describing Docker’s architecture, and showing how containerization streamlines DevOps workflows and isolates developer and administrator concerns.
This article presents a first‑principles framework that categorizes blockchain infrastructure components—storage, computation, and communication—by mapping them to concrete projects such as Ethereum, IPFS, BigchainDB, and others, illustrating how these modules interoperate to build efficient decentralized applications.
This article outlines the key categories of operations tools—including process management, release automation, configuration handling, resource isolation, and comprehensive monitoring and alerting solutions—providing a practical guide for building reliable, automated infrastructure workflows.
