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Database High Availability

11 articles · Page 1 of 1
liandk
liandk
Sep 11, 2026 · Databases

MySQL Master-Slave Replication: Sync Principles, Delay Fixes, Read-Write Splitting & Failover

This article provides a comprehensive practical guide to MySQL master-slave replication, covering synchronization principles, three replication modes, delay causes and troubleshooting, read-write splitting implementation with common pitfalls, failover strategies, and five production pitfalls to avoid.

Database High AvailabilityDatabase ReplicationFailover
0 likes · 12 min read
MySQL Master-Slave Replication: Sync Principles, Delay Fixes, Read-Write Splitting & Failover
Aikesheng Open Source Community
Aikesheng Open Source Community
May 19, 2025 · Databases

Can MySQL Group Replication Power Dual‑Active Data Centers? A Practical Test Script

This article presents a detailed design, implementation, and automated testing script that evaluates whether MySQL Group Replication can support dual‑data‑center active‑active deployments, covering deployment steps, replication modes, fault simulation, data consistency checks, and key conclusions.

Active-ActiveDatabase High AvailabilityGroup Replication
0 likes · 16 min read
Can MySQL Group Replication Power Dual‑Active Data Centers? A Practical Test Script
dbaplus Community
dbaplus Community
Jun 20, 2024 · Databases

Meituan’s Scalable Database Disaster Recovery: Architecture, Practices & Future

This article explains Meituan's multi‑stage disaster‑recovery strategy for databases, detailing the evolution from single‑active to N+1 and unit‑based architectures, the challenges of ultra‑large clusters, the DDTP platform's capabilities, and future plans to automate and extend resilience across regions.

Database High AvailabilityMeituanN+1 architecture
0 likes · 19 min read
Meituan’s Scalable Database Disaster Recovery: Architecture, Practices & Future
Top Architect
Top Architect
Sep 15, 2022 · Databases

Understanding Redis Master‑Slave Replication: Principles, Configuration, Workflow, and Common Pitfalls

This article explains the CAP theorem, details how Redis implements master‑slave replication—including its asynchronous nature, configuration methods, three‑phase workflow, heartbeat mechanism, and common operational issues—providing practical guidance for building highly available Redis deployments.

CAP theoryDatabase High AvailabilityMaster‑Slave
0 likes · 16 min read
Understanding Redis Master‑Slave Replication: Principles, Configuration, Workflow, and Common Pitfalls
vivo Internet Technology
vivo Internet Technology
Aug 25, 2021 · Databases

Introduction to MySQL Group Replication (MGR): Features, Evolution, Deployment and Testing

MySQL Group Replication, introduced in 2016, delivers high‑availability, strong consistency, fault‑tolerant and scalable MySQL clusters through a Paxos‑based, plugin‑driven architecture that supports both single‑primary and multi‑primary modes, with detailed installation, configuration, deployment and testing guidance, while noting its limited current adoption due to ecosystem maturity.

Database High AvailabilityGroup ReplicationMySQL
0 likes · 15 min read
Introduction to MySQL Group Replication (MGR): Features, Evolution, Deployment and Testing
Qingyun Technology Community
Qingyun Technology Community
Jun 23, 2021 · Databases

Why Containerizing MySQL Is a Game‑Changer for Modern Operations

This article examines the challenges of traditional MySQL deployments, explains how containerization with Docker and Kubernetes addresses cost, elasticity, and operational complexity, and introduces RadonDB MySQL's Helm and Operator solutions for high‑availability cloud‑native database management.

Database High AvailabilityHelmKubernetes
0 likes · 9 min read
Why Containerizing MySQL Is a Game‑Changer for Modern Operations
Aikesheng Open Source Community
Aikesheng Open Source Community
Oct 30, 2020 · Databases

Configuring MySQL MGR with Asynchronous Replication Automatic Failover for Multi‑Site Disaster Recovery

This article explains how MySQL Group Replication (MGR) can provide zero‑RPO high‑availability within a city‑scale data center, why it needs asynchronous replication for WAN‑scale disaster recovery, and walks through a step‑by‑step setup—including code examples—for automatic failover of asynchronous replication channels.

Database High AvailabilityFailoverMGR
0 likes · 6 min read
Configuring MySQL MGR with Asynchronous Replication Automatic Failover for Multi‑Site Disaster Recovery
JD Retail Technology
JD Retail Technology
Aug 27, 2018 · Databases

JD.com's Database Automation and ContainerDB: Evolution of Intelligent Database Management

This article details JD.com's database automation journey, covering their intelligent database management platform (DBS), automated deployment systems, intelligent analysis and diagnostics, and the evolution from traditional containerization to ContainerDB, a smart database service with elastic scheduling and resource optimization.

ContainerDBDatabase AutomationDatabase High Availability
0 likes · 22 min read
JD.com's Database Automation and ContainerDB: Evolution of Intelligent Database Management