This article details the preparation of the development environment, choice of Go and gopacket, MongoDB integration, the multi‑threaded architecture for real‑time packet capture, and a series of performance optimizations addressing slow logs, packet loss, and CPU usage.
Xiaomi is open‑sourcing its Go‑based SQL Optimizer and Rewriter (SOAR) at OSCAR Days, a tool that automatically checks SQL quality, suggests index improvements, rewrites queries, provides EXPLAIN analysis, and integrates with editor plugins and a web self‑audit platform to boost database reliability and developer productivity.
This article explains what a non‑reentrant function is, why it matters in concurrent Go programs, and demonstrates two practical implementations—using a sync.Mutex and an atomic flag—to ensure a function runs only once at any given time.
This article shares practical Golang notes, covering compilation, package structure, basic syntax, common pitfalls like GOPATH issues, and step‑by‑step screenshots of setting up a Hello World program in Eclipse.
This article demonstrates how to build an HTTP/2 server and client in Go, covering TLS certificate generation, server and client implementations, switching between HTTP/1.1 and HTTP/2, server‑push handling, and full‑duplex echo communication with complete code examples.
This article describes the shortcomings of a legacy log‑collection architecture, proposes a streamlined real‑time design that centralises configuration in Etcd, uses a single Go‑based logagent to tail files, applies per‑service rate limiting, and forwards logs to Kafka for downstream processing.
This article explains how Kubelet obtains pod configurations, processes updates through its syncLoop, coordinates pod workers, and ultimately invokes the container runtime's SyncPod method to keep node pods aligned with the desired state.
This article explains how Go organizes source files into packages, the difference between import paths and package names, how the compiler chooses between source code and compiled .a files, the role of import aliases, and why a directory can contain only one package.
The article describes how a DBA team at Ele.me transformed manual database management into a fully automated, platform‑driven operation covering monitoring, alarm handling, MHA automation, resource pooling, large‑scale migration, SQL review, and multi‑active DDL release using Go‑based tools and custom workflows.
The article details Alibaba’s Sigma scheduling and cluster management platform—its three‑layer architecture, data and state consistency strategies, real‑world case studies, Go‑based redesign, integration with Kubernetes APIs, and lessons on concurrency, high availability, and pod dispersion for massive Double 11 traffic.
The article examines Uber’s high‑throughput Go logging library zap, detailing its structured‑logging design, separation of concerns, copy‑on‑write filtering, extensive sync.Pool object reuse, reflection‑free type‑specific encoding, dynamic HTTP level control, and supplemental features such as a sugar API and log‑rotation, which together deliver superior performance over traditional libraries.
This article analyzes Uber's open‑source Go logging library zap, explaining its architectural trade‑offs, performance‑boosting techniques such as object pooling, reflection avoidance, and write‑time copying, and offers practical guidance for developers who want to build high‑performance logging components in Go.
This guide walks you through every step of learning Hyperledger Fabric—from setting up the environment and deploying single‑ and multi‑node networks to developing, installing, and testing chaincode with Java SDK—providing a hands‑on roadmap for blockchain developers.
This article explains frequent pitfalls in Go programming—including file‑naming conventions, defer execution order, panic value handling, for‑range copying, struct composition, init function behavior, pointer operations, command‑line arguments, slice capacity bugs, map usage, and channel communication—while providing clear examples and recommended fixes.
This article explains Go's concurrency foundations, detailing the difference between concurrency and parallelism, the CSP model using goroutines and channels, and the internal M‑P‑G scheduler architecture that balances work across processors and system threads.
This article explains the fundamentals of database transactions, introduces Vitess's architecture, and details how Vitess implements a two‑phase commit protocol for distributed transactions, including transaction IDs, metadata management, preparation, commit, rollback, error handling, and performance considerations, with illustrative Go code snippets.
This article explains Vitess’s two‑phase commit mechanism for distributed transactions, covering the ACID properties, shard architecture, transaction manager roles, detailed code flow, metadata handling, preparation, commit, rollback, and various failure scenarios, along with practical examples and performance considerations.
This article walks through upgrading Consul to 1.2, configuring service‑mesh support, building two Go micro‑services, registering them with Consul, reloading the configuration, testing the mesh with curl, and provides a detailed analysis of Consul’s service‑mesh architecture, advantages, and limitations.
Meituan Finance reduced user churn by replacing Node‑based diff generation with a Go‑powered incremental‑update service that uses lightweight goroutines, a three‑layer CDN/API/compute architecture, and pre‑warmed patches, achieving 99.97 % success, 64.9 % incremental updates and roughly 164 KB daily bandwidth savings per user.
This article explains Go's channel feature, covering its design philosophy, channel types (bidirectional and directional), core operations such as send, receive, close, capacity queries, detailed execution rules for different channel states, and includes several illustrative code examples.
This article explains Go's channel primitive in depth, covering its conceptual model, types, operations, internal queues, rule scenarios, practical code examples, and best‑practice tips for building clear and efficient concurrent programs.
This article explains the history and architecture of PostgreSQL's Foreign Data Wrapper (FDW), details the required database objects and callback functions, and provides a step‑by‑step guide for implementing an FDW in Go using cgo, including code examples, build instructions, and performance considerations.
PhoenixGo, an open‑source Go AI built on AlphaGo Zero's reinforcement‑learning algorithm, leveraged Tencent's idle cloud servers to achieve professional‑level play, won the 2018 World AI Go Championship, and was released with a strong model for researchers and hobbyists alike.
This article describes the motivation, requirements, solution research, and detailed design of a lightweight distributed VPN built with Go, employing KCP as the transport protocol, and includes prototype source code for both hub and peer components.
This article explains how to create HTTP middleware in Go, covering request reading, trailing‑slash redirection, request‑ID injection, server header manipulation, custom ResponseWriter implementation, and handling of additional interfaces such as Push and Flush, with complete code examples.
When running an Ethereum full node, Geth can panic with a runtime error "index out of range" caused by LevelDB's shortenb function exceeding its unit array, especially once the database size reaches terabytes, and a simple code tweak can prevent the crash.
This tutorial explains the fundamentals of Proof‑of‑Stake, compares it with Proof‑of‑Work, and provides a step‑by‑step Go implementation of a PoS blockchain with TCP networking, validator selection, and code snippets for building and running the system.
At GopherChina 2018, Didi engineer Shi Songran explained how Go powers the company’s high‑availability order, dispatch, and storage systems, detailing service‑governance practices, two production‑level bugs, and Didi’s open‑source contributions of the gendry database helper and the high‑performance json‑iterator codec.
When the low‑quality app "XX段子" was forced to close, Douyin faced a massive comment surge and responded within minutes by disabling the comment service through circuit‑breaking, illustrating the crucial role of microservice governance, monitoring, and rapid fault isolation in large‑scale backend systems.
This article introduces Tendermint’s modular blockchain framework, explains its Core and ABCI components, provides step‑by‑step installation and execution of the built‑in key‑value store example, demonstrates transaction creation and querying, and walks through the Go source code for CheckTx, DeliverTx, and Commit functions.
The article examines the advantages and drawbacks of microservices versus monolithic architectures, outlines key factors that influence the decision to split, and walks through a real‑world shared‑points project, detailing a four‑step process for decomposing a monolith into independent services.
This article dissects the Go implementation of Ethereum’s eth.syncing API, explaining the Syncing method, the SyncProgress struct, how block synchronization statistics are gathered, and how different sync modes affect the returned values, all illustrated with real source code excerpts.
In Ethereum v1.7.3 the console command miner.start() always returns null, regardless of whether mining actually starts, because the underlying Go implementation returns nil and the real status is logged or inferred from other API calls, not from the return value.
This article examines the three Ethereum Geth synchronization modes—fast, full, and light—by dissecting the underlying Go source code, explaining the SyncMode type, its constants, string and marshaling implementations, default configuration, and the runtime logic that switches modes based on blockchain state.
When an Ethereum transaction runs out of ether to cover the gas limit multiplied by the gas price plus the transfer value, the client throws an “insufficient funds for gas * price + value” error, and this article explains the underlying code logic and troubleshooting steps.
The article explains how Ethereum nodes that expose an unrestricted unlock duration of 300 seconds allow attackers to steal ether by exploiting the default account unlock window, and it provides code analysis and practical mitigation steps to secure the node.
This article explains the architecture and key technologies of 360’s SSP advertising engine—including flexible micro‑service layers, DAG‑based topology, rule and template management, and high‑performance Go‑based HTTP frameworks—that enable billion‑scale ad delivery with low latency and high concurrency.
MesaLock Linux is an open‑source Linux distribution that rewrites user‑space applications in memory‑safe languages like Rust and Go, applying three security principles to reduce attack surface, offering container‑ready images, BSD licensing, and community‑driven development.
The two‑day Tongcheng Technology Conference in Suzhou featured six technical sessions covering serverless architecture, microservices with Go, Facebook‑style development tools, NewSQL database practices, hybrid cloud management at Sina Weibo, and high‑performance ticket search systems, offering practical insights for backend engineers.
This article delves into Go's channel mechanism, explaining its three core signal properties—delivery guarantee, state, and data presence—while providing clear code examples for unbuffered, buffered, and context‑based channels to help developers write reliable concurrent programs.
This article explains how to replace repetitive manual Go commands like "go build" and "go test" with a well‑structured Makefile, covering variable definitions, common targets, cross‑compilation, Docker builds, and usage examples to streamline and automate Go project workflows.
This article recounts Xiaomi's rapid development of a high‑concurrency flash‑sale platform for the 2014 "Mi Fan Festival", detailing the design choices, trade‑offs, and performance optimizations that enabled millions of users to purchase phones simultaneously.
This article critically examines Go’s advertised sub‑10 ms garbage‑collection pauses, compares its concurrent mark‑sweep collector with Java’s GC algorithms, and explores the fundamental trade‑offs of throughput, pause time, memory overhead, and scalability that shape modern garbage‑collector design.
This article explains how Go’s compiled single‑binary output, static type system, superior performance, built‑in libraries, and strong IDE support helped a micro‑service platform replace a Python/Django stack, cutting code by 64% and boosting backend speed by up to 30%.
This article explains why HTTPS is essential, compares third‑party and self‑managed TLS options, and provides a complete Go implementation using Let’s Encrypt’s autocert library, including code for certificate handling, HTTP‑to‑HTTPS redirection, DNS requirements, and caching strategies.
The July 2017 TIOBE index shows Go leaping from rank 55 to the top ten, while Java remains first despite a 6% drop, and other languages like Kotlin, Elixir, and Hack fall, highlighting shifting popularity among the top programming languages.
This article details Huajiao's transition from an Erlang‑based chat system to a Go‑driven QChat architecture, covering language selection, component redesign, deployment strategies, flow‑control mechanisms, and four‑layer proxy testing that together enabled massive scaling for live streaming comment and gift traffic.
This article examines how different server‑side languages model I/O, compares blocking and non‑blocking approaches in PHP, Java, Node.js, and Go, and presents benchmark results to help you choose the most suitable technology for high‑load web applications.
This article examines how different server‑side languages model I/O, compares blocking and non‑blocking approaches, discusses scheduling overhead, presents sample code for PHP, Java, Node.js, and Go, and offers benchmark insights to help developers choose the right technology for high‑load web applications.
This article chronicles the multi‑year architectural evolution of Tongcheng Travel's push notification platform, detailing early batch‑job designs, successive redesigns using Redis, MongoDB, Kafka, Go, and .NET, and the performance, scalability, and operational improvements achieved through each major version.
The author rewrote a Laravel‑based Boxzilla application in Go, detailing migration steps, code‑size reduction, benchmark results, and testing advantages, showing how Go delivers faster response times, lower latency, and a more maintainable backend.
The article examines why Go is well‑suited for high‑concurrency, complex communication distributed systems like the 360 message‑push platform, detailing its performance, architecture, challenges, optimization techniques, and operational monitoring compared with traditional C implementations.
This article details the design and implementation of a Go‑based backend for a ride‑hailing app, covering real‑time vehicle tracking, route planning with OSRM, bandwidth‑saving UDP + ProtoBuf communication, in‑memory storage, R‑tree indexing, and the full API workflow.
This article describes how a ride‑hailing service built a memory‑based backend that animates cars on a map, covering challenges of sparse GPS updates, route planning with OSRM, protocol selection (UDP), data serialization (Protobuf), storage architecture, geospatial indexing with R‑tree, and the final API design.
Learn how to replace RESTful endpoints with a GraphQL service by creating a Hacker News API in Go, covering core concepts, type and field definitions, query and mutation setup, and essential resolver implementations illustrated with complete code examples.
This article explains the fundamentals of consensus in distributed systems, compares Paxos and Raft, and provides a step‑by‑step guide with code snippets on embedding the etcd/raft library into the open‑source Mesos scheduler Swan to achieve reliable multi‑node data synchronization.
This article explains Go's slice data structure, how slices are represented in memory, common pitfalls with value passing, slicing, expanding, and provides practical examples of functions like copy, append, and differences between make and new for slices.
This article recounts Xiaomi's rapid development of a flash‑sale platform—starting from a week‑long PHP prototype to a Go‑based, Redis‑backed architecture—detailing the design choices, scalability tactics, and performance optimizations that enabled the 2014 Mi Fan Festival to handle millions of concurrent users.
This article explains why a Go http.Client does not automatically carry cookies during redirects, how the default redirect logic works for different HTTP methods, and how to enable cookie storage with CookieJar or disable redirects using CheckRedirect.
This article shares practical strategies for learning a new programming language—summarizing, comparing, shifting mindsets, studying open‑source code, using analysis tools, and intensive practice—illustrated with concrete Java, Scala, and Go examples.
An objective comparison of Go, Java, and C/C++ (including C++98 and C++11) examines concurrency, performance, syntax, type systems, initialization, error handling, ecosystem, tooling, and industry adoption, offering practical insights for language selection without bias.
This article presents a series of Hyperledger Fabric chaincode examples written in Go, covering information notarization, asset trading, digital currency issuance, diploma verification, community energy sharing, and logistics supply chain, each with functional descriptions, key functions, data models, and REST‑API interaction details.
This article explains how a financial e‑commerce platform uses the Event Sourcing architecture pattern, an asynchronous message bus, and a Go‑based domain‑specific language to build a flexible, exactly‑once points system that decouples business rules from application code and simplifies operations.
The article recounts how Xiaomi’s engineering team built, tested, and iteratively improved a high‑concurrency flash‑sale platform—first in PHP with Redis and later in Go—to reliably handle millions of users during the 2014 Mi Fan Festival, detailing architectural choices, performance optimizations, and lessons learned.
Benchttp is a minimal‑weight Go‑based load‑testing utility that lets you measure QPS, duration, and concurrency with simple command‑line flags, and the article explains its usage, common parameters, and step‑by‑step installation on Linux.
The article presents Pitcher, a Go‑implemented reverse‑proxy middleware, detailing its one‑core‑multiple‑routes architecture, callback‑based module model, hot‑configuration reload, graceful restart strategies, GC optimizations, service splitting, and various transport choices such as TCP/protobuf, UDP, and Unix domain sockets to achieve high‑performance, scalable traffic entry for Qunar.
The article presents a detailed overview of Bilibili's GOIM live chat architecture, covering its high‑stability, high‑availability, low‑latency design, component breakdown, memory and module optimizations, network improvements, and performance testing results to achieve scalable real‑time messaging.
This article explores the fundamentals of building a high‑performance in‑memory cache, covering the relationship between caches and KV stores, various cache types, core data structures such as hash tables, lock strategies, rehash techniques, memory management, and network models, with practical examples and Go‑based concurrency designs.
This article details the three-stage evolution of Xiaomi's e‑commerce architecture, introduces the design of the Notify asynchronous message system built on Redis and MySQL, and explains the subsequent upgrades—including agent proxy, Go‑based modules, and MyCAT integration—to improve scalability, reliability, and performance.
This article walks through designing a microservice application with Go, covering service registration and discovery, various testing strategies—including unit, integration, contract, and chaos testing—illustrates typical architectural patterns, and shares Qiniu's real‑world microservice implementation and practical Q&A.
500px handles massive image uploads and billions of daily views by leveraging a Go‑based microservice architecture on AWS, using Nginx, HAProxy, RabbitMQ, and VIPS to achieve up to 1000 requests per second with sub‑180 ms response times.
This article provides a comprehensive, step‑by‑step tutorial for installing Go 1.4, compiling Codis from source, configuring Zookeeper, setting up Codis server, proxy, and dashboard, and deploying a three‑node Codis cluster on Linux, including all necessary environment variables and command examples.
This guide walks through the complete installation of GitLab on a Debian system, covering package installation, Ruby and Go setup, system user creation, database configuration, Redis setup, cloning the source, configuring GitLab, initializing the database, and starting the service.
The article explains Go's lack of try/catch, demonstrates how to use error return values with examples, shows how to create custom error types, and presents an optimized pattern that aggregates error checks to produce cleaner, more efficient code without performance loss.
The author compares Rust and Go using a series of micro‑benchmarks across common algorithms, presenting CPU time, elapsed time, memory usage and code size, and concludes that while Rust is roughly 30 % faster, Go produces about 30 % less code, making it a better choice for enterprise applications.
This guide walks you through installing Go, cloning and patching the ngrok source, generating self‑signed certificates, compiling both the ngrok server and client, configuring DNS, and verifying the setup so you can expose local web services to the internet without relying on the official ngrok service.
The article examines how early‑stage startups can evaluate less‑common programming languages—Python, Ruby, Node.js, and Go—by weighing their disadvantages such as dynamic typing challenges, limited community support, hiring difficulties, and performance constraints, and explains why a mixed Python‑Go stack may balance rapid development with long‑term stability.
This article details Medium's complex backend infrastructure, covering its service-oriented design, use of Node.js, Go, DynamoDB, Aurora, Redis, messaging queues, CDN strategies, monitoring tools, and continuous deployment practices.
This article details Xiaomi's step‑by‑step design and evolution of its flash‑sale platform, covering the initial PHP‑Redis solution, the challenges of extreme concurrency, and the later Go‑based architecture that enabled millions of users to purchase smartphones reliably during the 2014 Mi Fan Festival.
This article presents a comprehensive technical overview of TiDB, a NewSQL distributed database, covering its architecture, SQL layer, KV engine, distributed transaction mechanisms, code implementation in Go, open‑source practices, and future roadmap.
An in‑depth look at 360’s long‑connection push platform built with Go, covering system architecture, key performance indicators, scalability challenges, optimization strategies, operational practices, and practical Q&A for building reliable, high‑throughput messaging services.
This article details the architecture, key performance metrics, and optimization strategies of 360’s high‑availability long‑connection push system built with Go, covering connection capacity, memory usage, throughput, deployment components, client SDK considerations, and operational challenges such as GC pauses and load balancing.
The article details Douban's comprehensive platform architecture, describing its online load‑balancing layer, the BeansDB key‑value store, the internal DAE PaaS, the big‑data DPark engine, and the team and operational practices that support both online and offline workloads.
The article summarizes Bowery’s migration from Node.js to Go and outlines six major advantages of Go—cross‑platform compilation, rapid deployment, built‑in concurrency primitives, integrated testing framework, comprehensive standard library, and structured developer workflow tools—backed by examples from leading tech firms.
