1. The NDB nodes with SQL nodes deployed on different servers, how to connect the NDB SQL node, or how to configure, can make SQL node is connected to the NDB;
2. Online add NDB nodes, the SQL nodes appear lost phenomenon, detailed online what is the operation steps of NDB added node;
3. The management node, the data node, SQL is how to perform the communication between nodes, I in the process of test, if the iptables is given only to port 1186, connecting the data nodes, the management node will log output, data nodes countdown 60 seconds, will connect after 60 seconds

CodePudding user response:

This can go to a MySQL section asked, but the MySQL cluster NDB this architecture currently used rarely, under advice to focus on the latest MGR