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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
Nov 22, 2024 · Backend Development

Designing a High‑Availability, Scalable Feed Stream System

This article introduces feed streams, explains their evolution from RSS to modern social feeds, classifies them by aggregation logic and display, discusses challenges such as real‑time performance and massive data, and presents a backend architecture with data models, pagination, write/read diffusion, and core publishing/reading workflows.

Data ModelingFeed StreamPagination
0 likes · 21 min read
Designing a High‑Availability, Scalable Feed Stream System
High Availability Architecture
High Availability Architecture
Nov 4, 2024 · Operations

Ctrip's Weak Network Identification Model: Design, Implementation, and Practice

This article details Ctrip's approach to weak network detection, covering background, data collection, processing, dynamic weighting algorithms, result output, deployment effects, and future plans, and provides practical code examples and threshold settings for improving mobile network performance.

Weak Network Detectiondata collectiondynamic weighting
0 likes · 26 min read
Ctrip's Weak Network Identification Model: Design, Implementation, and Practice
High Availability Architecture
High Availability Architecture
Sep 11, 2024 · Backend Development

Evolution of Ctrip Vacation Product Log System: From Single‑Table DB to ES + HBase Platform

This article details the evolution of Ctrip's vacation product log system—from a simple single‑table DB in 2019, through a platformized ES + HBase architecture with custom RowKey design, to a V3.0 version that adds business and supplier empowerment, scalable storage, advanced search, and flexible data presentation for billions of daily change records.

ESHBaseScalability
0 likes · 13 min read
Evolution of Ctrip Vacation Product Log System: From Single‑Table DB to ES + HBase Platform
High Availability Architecture
High Availability Architecture
Sep 4, 2024 · Backend Development

Three‑High System Construction: Performance, Concurrency, and Availability – A Backend Engineering Methodology

This article presents a comprehensive backend engineering methodology for building "three‑high" systems that simultaneously achieve high performance, high concurrency, and high availability, covering performance tuning, horizontal and vertical scaling, hot‑key mitigation, fault‑tolerance mechanisms, isolation strategies, and practical DDD‑driven design.

DDDScalabilitybackend
0 likes · 26 min read
Three‑High System Construction: Performance, Concurrency, and Availability – A Backend Engineering Methodology
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.

Data SynchronizationDatabase MigrationJava
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 DataData SynchronizationElasticsearch
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