Build high-Availability MySQL series (1)--Percona XtraDB Cluster Introduction

Percona XtraDB Cluster (hereinafter referred to as PXC) is an open source MySQL high-availability solution. It integrates Percona server and Percona xtrabackup with the Galera library to enable synchronous multi-master replication. The topology of each node is as follows:

　　

　　

, PXC each node's status is equal, each node in the cluster can be used for reading and writing, as long as the number of available nodes in the cluster is in the majority, the entire cluster is available, which largely solves the high availability of MySQL.

　　

Build high-Availability MySQL series (1)--Percona XtraDB Cluster Introduction