cluster_name looks like a cosmetic label for process listings, but on a standby it silently becomes the name your primary uses to verify synchronous…

Percona致力于提供可靠的开源数据库解决方案，特别是Percona XtraDB Cluster（PXC），以确保MySQL部署的高可用性、可扩展性和数据完整性。MariaDB宣布MySQL Galera Cluster将于2026年9月30日停止维护，但PXC将继续得到支持和改进。Percona团队专注于提升PXC的性能、稳定性和安全性，以确保用户获得必要的支持。

Patroni is a widely used solution for managing PostgreSQL high availability. It provides a robust framework for automatic failover, cluster management, and operational simplicity in PostgreSQL...

PostgreSQL 19引入了REPACK命令，整合了VACUUM FULL和CLUSTER的功能，简化了用户理解，同时保留了旧命令。REPACK支持重写表以回收磁盘空间，并提供新的进度视图pg_stat_progress_repack。尽管当前不支持并发模式，但未来可能会增加此功能。该命令使用简单，允许用户选择VERBOSE和ANALYZE等选项。

MySQL NDB Cluster offers high availability and scalability through its distributed architecture. However, managing and troubleshooting such a system requires robust monitoring and insightful...

Introducing new APIs in Cluster/J to help applications handle schema changes

The first of two parts describing new features in Cluster/J, the NoSQL Java development environment for MySQL NDB Cluster.

This blog post explains the in-memory data cluster reloading improvements of MySQL HeatWave version 9.4.2

Introduction In our previous blog, we have done an introduction to CloudNativePG (CNPG) and showed how we can create a single instance cluster. In this blog, we’ll walk through creating a...

Codership发布了MySQL 8.0和8.4的Galera Cluster新版本，包含节点离开和关闭机制增强、外键检查警告及CMake 4.0.0支持等改进，修复了缓冲区溢出问题和错误处理。建议用户更新至最新版本。

MySQL 8.4 提供 Galera Cluster 和 MySQL InnoDB Cluster 两种高可用性集群选项。选择时需考虑工作负载特征、应用兼容性和操作偏好。下周的网络研讨会将比较这两者的性能，包括写入和读取吞吐量及节点故障恢复等。

An introduction to how to manage MySQL NDB Cluster (NDB) using MySQL Cluster Manager (MCM). A walk-through of managing NDB in a multi-host setup, backup and restore, scaling NDB, and upgrading NDB.