system design | BestHub

Big Data Technology Tribe

Jun 17, 2025 · Backend Development

Master System Design Interviews: Step-by-Step Prep Guide for Engineers

This article outlines a comprehensive, step‑by‑step roadmap for preparing system design interviews, covering foundational concepts, interview templates, high‑level and detailed design choices, practical resources, mock interview platforms, and company‑specific tailoring to boost candidates' success.

backend architecturedistributed systemsinterview preparation

0 likes · 13 min read

Master System Design Interviews: Step-by-Step Prep Guide for Engineers

Tencent Cloud Developer

Jun 11, 2025 · Fundamentals

Master a Universal Technical Architecture Diagram Language for Any System

This article presents a practical, standardized "technical solution communication language" that unifies architecture diagrams—from context and system architecture to deployment, domain/data models, sequence, state, concurrency, and data‑flow—helping engineers across C‑end, B‑end, big‑data, and AI systems communicate designs clearly and consistently.

C4 modelDDDMicroservices

0 likes · 10 min read

Master a Universal Technical Architecture Diagram Language for Any System

Zhuanzhuan Tech

Apr 28, 2025 · Backend Development

Design and Evolution of ZhiZhi Checkout Payment Routing System

This article presents an in‑depth analysis of the ZhiZhi checkout payment routing system, covering its historical evolution from basic configuration to rule‑engine and modular construction modes, detailing architecture, expression engine implementation, automatic anomaly detection, and future outlook for scalability and AI integration.

Exception Handlingbackend architectureexpression-engine

0 likes · 28 min read

Design and Evolution of ZhiZhi Checkout Payment Routing System

Wukong Talks Architecture

Apr 27, 2025 · Backend Development

Evolution of a Batch Processing System: From Centralized to Configurable and Localized Architectures

This article examines the evolution of a merchant batch processing system, detailing its transition from a centralized, tightly‑coupled architecture to a configurable, SPI‑based design and finally to a localized task‑reporting model, while discussing code reuse, scheduling strategies, isolation techniques, and performance challenges.

ConfigurationJavabackend development

0 likes · 18 min read

Evolution of a Batch Processing System: From Centralized to Configurable and Localized Architectures

Cognitive Technology Team

Apr 2, 2025 · Backend Development

Understanding Rate Limiting: Importance, Types, Algorithms, and Implementation

This article explains the concept of rate limiting in system design, covering its importance, common use cases, various types, popular algorithms such as token bucket and leaky bucket, implementation across different system layers, and the challenges associated with configuring and scaling rate‑limiting solutions.

Performancealgorithmbackend

0 likes · 10 min read

Understanding Rate Limiting: Importance, Types, Algorithms, and Implementation

Xiaokun's Architecture Exploration Notes

Mar 24, 2025 · Artificial Intelligence

How to Model Architecture for a High‑Performance Recommendation System

This article walks through business, conceptual, logical, and physical modeling steps to design a recommendation system architecture, detailing value propositions, workflow decomposition, component breakdown, and technology choices to meet reliability, low‑latency, and scalability requirements.

AIarchitecture modelingbusiness modeling

0 likes · 10 min read

How to Model Architecture for a High‑Performance Recommendation System

vivo Internet Technology

Feb 26, 2025 · Backend Development

Building a Million-User Group Chat System: Server-Side Architecture and Implementation

The article details how to engineer a Web‑based group chat that supports one million members by selecting WebSocket for real‑time communication, using read‑diffusion storage, a three‑layer architecture with Redis routing and Kafka queues, ensuring ordered, reliable delivery via TCP, ACKs and UUID deduplication, calculating unread counts with Redis ZSETs, and handling massive traffic through rate‑limiting, protobuf compression and message chunking.

High ConcurrencyIM systemKafka

0 likes · 21 min read

Building a Million-User Group Chat System: Server-Side Architecture and Implementation

Cognitive Technology Team

Feb 2, 2025 · Fundamentals

Common Misconceptions in Distributed System Design and Their Solutions

Designing distributed systems often falls prey to misconceptions such as assuming reliable networks, zero latency, unlimited bandwidth, inherent security, static topology, zero transmission cost, and full autonomy, but applying retries, idempotency, message queues, encryption, dynamic discovery, caching, and time protocols can mitigate these issues.

ConsensusSecuritydistributed systems

0 likes · 5 min read

Common Misconceptions in Distributed System Design and Their Solutions

Architect's Guide

Jan 24, 2025 · Backend Development

How to Design a High-Concurrency System: Key Architectural Strategies for Interviews

This article explains how to answer interview questions about designing high‑concurrency systems by outlining essential architectural techniques such as system decomposition, caching, message queues, database sharding, read‑write separation, and Elasticsearch, while emphasizing practical considerations and real‑world complexity.

CachingHigh ConcurrencyMessage Queue

0 likes · 9 min read

How to Design a High-Concurrency System: Key Architectural Strategies for Interviews

Java Tech Enthusiast

Jan 3, 2025 · Backend Development

Automated Ticket Ordering Feature in China Railway 12306: Design and Implementation

China Railway’s 12306 trial of an automatic ticket‑ordering feature lets users pre‑select up to 60 trains, set priority and pre‑pay the highest fare for Spring Festival travel, with the system submitting orders automatically, handling refunds, and addressing priority sorting, scheduling, payment accuracy, and server load through extensive stress testing and a gray‑release strategy.

AutomationHigh Concurrencybackend

0 likes · 6 min read

Automated Ticket Ordering Feature in China Railway 12306: Design and Implementation

IT Services Circle

Jan 2, 2025 · Backend Development

Automatic Ticket Order Submission Feature in China Railway 12306: Design and Operational Insights

China Railway's 12306 pilot introduces an automatic ticket order submission system for Spring Festival travel, allowing users to pre‑fill up to 60 train options, set priorities, pre‑pay, and rely on backend scheduling and fairness mechanisms to improve ticket acquisition during peak demand.

AutomationHigh Concurrencybackend

0 likes · 6 min read

Automatic Ticket Order Submission Feature in China Railway 12306: Design and Operational Insights

IT Architects Alliance

Dec 29, 2024 · Operations

Design Principles and Key Technologies for High‑Availability Systems

The article explains why 24/7 high‑availability systems are essential for modern enterprises and details core design principles, layered architecture, and critical technologies such as redundancy, load balancing, caching, elastic scaling, monitoring, and fault‑tolerance to ensure continuous, reliable service.

High AvailabilityMonitoringcloud computing

0 likes · 23 min read

Design Principles and Key Technologies for High‑Availability Systems

Top Architect

Dec 13, 2024 · Backend Development

High‑Availability Architecture and Optimization Strategies for a Large‑Scale Membership System

This article details the design, high‑availability mechanisms, traffic isolation, performance optimizations, caching, database migration, and refined flow‑control and degradation strategies employed to keep a billion‑user membership system reliable and performant under extreme load.

ElasticsearchHigh AvailabilityMySQL

0 likes · 21 min read

Architect

Nov 28, 2024 · Backend Development

Designing a High‑Performance Message Notification System

This article explains how to design and implement a high‑performance, scalable message notification system, covering service partitioning, system architecture, first‑time and retry message handling, idempotency, dynamic routing, thread‑pool management, stability measures such as traffic surge handling, resource isolation, monitoring, and elastic scaling.

High PerformanceMessage Notificationbackend development

0 likes · 17 min read

Designing a High‑Performance Message Notification System

Top Architect

Nov 20, 2024 · Fundamentals

Designing Effective Software Architecture Diagrams: Concepts, Types, and the C4 Model

This article explains the fundamental concepts of software architecture and architecture diagrams, outlines what makes a good diagram, describes common pitfalls, and introduces the C4 modeling approach with concrete examples such as system context, container, component, and class diagrams, providing practical guidance for clear communication of system designs.

C4 modelarchitecture diagramssoftware architecture

0 likes · 13 min read

Designing Effective Software Architecture Diagrams: Concepts, Types, and the C4 Model

Bilibili Tech

Nov 19, 2024 · Backend Development

Evolution and Design of Bilibili Customer Service Seat Scheduling System

The article traces Bilibili’s customer‑service seat scheduling system from its initial balanced‑distribution algorithm and Redis‑based priority queues for live chat and ticket handling, through fairness‑focused saturation limits and virtual‑queue mechanisms, to planned dynamic tuning and expertise‑aware routing for future scalability.

Customer Servicebackend architectureload balancing

0 likes · 23 min read

Evolution and Design of Bilibili Customer Service Seat Scheduling System

JD Tech

Nov 18, 2024 · Backend Development

From Campus to Backend Engineer: Growth, System Refactoring, and AI Assistant at JD

This article shares a recent graduate's journey into backend development at JD, offering practical advice for newcomers, detailing a large‑scale system refactor using domain‑driven design, discussing the creation of an AI‑powered merchant assistant, and emphasizing continuous learning and professional growth.

AIDomain-Driven Designbackend

0 likes · 13 min read

From Campus to Backend Engineer: Growth, System Refactoring, and AI Assistant at JD

Tencent Cloud Developer

Oct 31, 2024 · Backend Development

Monolith vs Microservices: Evolution of Architecture and How to Choose

The article traces software architecture from early distributed systems through monoliths, SOA, microservices and serverless, explaining why each paradigm arose, the trade‑offs they entail, and how to decide between monolith and microservices based on team size, expertise, organizational structure, and business needs.

DevOpsMicroservicesbackend development

0 likes · 25 min read

Monolith vs Microservices: Evolution of Architecture and How to Choose

DeWu Technology

Oct 28, 2024 · Backend Development

Design and Evolution of an E-commerce Batch Processing System

The article traces the evolution of an e‑commerce batch‑processing system—from an initial centralized workflow with reusable components, through a platform‑driven configuration and SPI registration, to a localized, asynchronous task‑reporting architecture employing priority queues and isolated thread pools—to balance flexibility, scalability, and operational risk.

ConfigurationJavabatch processing

0 likes · 18 min read

Design and Evolution of an E-commerce Batch Processing System

Baidu Geek Talk

Oct 14, 2024 · Backend Development

Evolution of Baidu Visual Search Architecture: Stack Upgrade, Full‑Link Refactoring, and Stability Enhancements

Baidu Visual Search upgraded its PHP/HHVM stack to Golang, introduced a Backend‑For‑Frontend layer, refactored presentation and system modules with the GDP framework and ExGraph, and built comprehensive monitoring and self‑healing tools, delivering a modular, scalable, and stable AI‑driven search platform.

architecturebackendgolang

0 likes · 13 min read