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High Availability Architecture
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High Availability Architecture

Official account for High Availability Architecture.

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Latest from High Availability Architecture

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High Availability Architecture
High Availability Architecture
Aug 27, 2024 · Backend Development

Design and Implementation of a Double‑Write Migration Strategy for the Appointment Service Using a MyBatis Plugin

This article details the background, requirements, and evaluation of migration options for the appointment service, explains why a double‑write approach with a custom MyBatis plugin was chosen, and walks through the full‑sync, incremental sync, code refactoring, plugin implementation, switch‑over procedures, and post‑migration validation to achieve reliable data isolation and system stability.

JavaMyBatisdata synchronization
0 likes · 17 min read
Design and Implementation of a Double‑Write Migration Strategy for the Appointment Service Using a MyBatis Plugin
High Availability Architecture
High Availability Architecture
Aug 16, 2024 · Big Data

Introduction to Elasticsearch: Core Concepts, Query Types, Pagination, and Data Synchronization

This article provides a comprehensive overview of Elasticsearch, covering its distributed storage architecture, core data model concepts, analysis and query capabilities, practical next‑token pagination techniques, join strategies, and various data synchronization methods for integrating Elasticsearch with other systems.

Big DataElasticsearchQuery DSL
0 likes · 13 min read
Introduction to Elasticsearch: Core Concepts, Query Types, Pagination, and Data Synchronization
High Availability Architecture
High Availability Architecture
Jul 11, 2024 · Backend Development

AutoMQ Memory Cache Design and Mitigating Netty PooledByteBufAllocator Memory Fragmentation

The article explains AutoMQ's memory‑cache architecture, compares LogCache and BlockCache designs, analyzes Netty's internal and external memory fragmentation caused by the Buddy and PageRun/PoolSubpage allocators, and presents mitigation techniques such as ByteBufSeqAlloc to reduce OOM risks.

CacheDesignDirectMemoryJava
0 likes · 14 min read
AutoMQ Memory Cache Design and Mitigating Netty PooledByteBufAllocator Memory Fragmentation
High Availability Architecture
High Availability Architecture
Jul 9, 2024 · Backend Development

Applying Domain-Driven Design to a B2B Marketing System: Strategic, Tactical, and Code Architecture Practices

This article explains how Domain-Driven Design (DDD) can be used to tackle the complexity of a B2B marketing system by detailing strategic design, tactical design, and code architecture practices, illustrating concept modeling, bounded contexts, aggregation roots, and layered architectures with real‑world examples and diagrams.

Domain-Driven DesignStrategic DesignTactical Design
0 likes · 18 min read
Applying Domain-Driven Design to a B2B Marketing System: Strategic, Tactical, and Code Architecture Practices
High Availability Architecture
High Availability Architecture
Jun 28, 2024 · Backend Development

Deep Dive into pfinder: Architecture, Bytecode Enhancement, and Tracing Mechanisms

This article provides a comprehensive technical overview of pfinder, JD's next‑generation APM system, covering its core concepts, feature set, comparison with other tracing tools, bytecode modification techniques using ASM, Javassist, ByteBuddy and ByteKit, Java agent injection via JVMTI and Instrumentation, plugin loading, trace‑ID propagation across threads, and a prototype hot‑deployment capability.

APMBytecodeInstrumentationJava
0 likes · 23 min read
Deep Dive into pfinder: Architecture, Bytecode Enhancement, and Tracing Mechanisms
High Availability Architecture
High Availability Architecture
Jun 27, 2024 · Backend Development

Understanding and Tuning Z Garbage Collector (ZGC) for Low‑Latency Java Applications

This article explains the principles, features, and workflow of Java's Z Garbage Collector, provides detailed configuration and logging guidance, and shares AutoMQ's practical tuning experiences that achieve sub‑millisecond pause times and improved performance for latency‑sensitive backend services.

AutoMQGarbage CollectionJava
0 likes · 26 min read
Understanding and Tuning Z Garbage Collector (ZGC) for Low‑Latency Java Applications
High Availability Architecture
High Availability Architecture
Jun 14, 2024 · Operations

Evolution and Practice of Vivo CICD Artifact Management in DevOps

This article details the evolution of Vivo's CICD artifact management across four stages, explains its core functions such as multi‑type support, unified storage, promotion, security scanning, aging, and permission control, and outlines future directions toward smarter, more integrated, and secure DevOps operations.

Artifact ManagementCICDContinuous Delivery
0 likes · 16 min read
Evolution and Practice of Vivo CICD Artifact Management in DevOps
High Availability Architecture
High Availability Architecture
Jun 11, 2024 · Artificial Intelligence

Tencent News Recommendation Architecture Upgrade: From Legacy Systems to a Scalable AI-Driven Platform

This article details the evolution of Tencent News from a portal‑style content display to a personalized recommendation engine, describing the legacy architecture problems, the design goals, the new modular and scalable architecture, feature platform improvements, debugging tools, and stability measures that together increased availability to 99.99% and cut costs by over 60%.

AIDebuggingScalability
0 likes · 28 min read
Tencent News Recommendation Architecture Upgrade: From Legacy Systems to a Scalable AI-Driven Platform
High Availability Architecture
High Availability Architecture
May 17, 2024 · Backend Development

Design and Implementation of Bilibili Live Ranking System

This article explains the business value, architecture, configuration, storage design, performance challenges, and future plans of Bilibili's live streaming ranking system, detailing how rankings are generated, stored in MySQL and Redis, and updated through automated and manual scoring pipelines.

backendlive streamingranking system
0 likes · 18 min read
Design and Implementation of Bilibili Live Ranking System