Database High Availability

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

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

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.

ClusterDatabase High AvailabilityGroup Replication

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

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

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

Aikesheng Open Source Community

May 21, 2019 · Databases

MySQL 8.0.16 Introduces Message Fragmentation for Group Replication

MySQL 8.0.16 adds a message‑fragmentation feature to Group Replication that splits oversized broadcast messages into smaller chunks, allowing administrators to set a maximum message size and preventing false member expulsions caused by large payloads.

Database High AvailabilityGroup ReplicationMessage Fragmentation

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MySQL 8.0.16 Introduces Message Fragmentation for Group Replication

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.

Backup and RecoveryContainerDBDatabase Automation

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