Installing and Using Mycat for Distributed Database on CentOS

This article provides a detailed introduction to how to install and configure Mycat in a CentOS environment to achieve basic operations of distributed databases. Below is a summary of the content in the article, along with some possible missing information or steps supplemented. ### I. Environment Preparation 1. **System Requirements**: Ensure that a Java environment (e.g., JDK8) is installed. 2. **Network Configuration**: - Open the firewall and configure rules to allow the service ports of MySQL and Mycat to pass through. - Ensure that the network connections between all nodes are smooth.