The document provides a series of commands for configuring a ProxySQL server, including inserting server details and query rules for managing database traffic. It includes entries for multiple MySQL servers and configurations for master/slave setups, specifying user access and rules for routing queries. Additionally, commands for loading configurations into runtime and saving them to disk are emphasized throughout the text.

8. Middleware

14. Front-end Back-end
DB

15. Front-end Back-end
DB
Front-end Back-end

16. Front-end Back-end
Front-end Back-end
Front-end Back-end

18. Multiplexing

21. admin> INSERT INTO proxysql_servers (hostname) values ('192.168.0.5');
admin> INSERT INTO proxysql_servers (hostname) values ('192.168.0.6');
admin> INSERT INTO proxysql_servers (hostname) values ('192.168.0.7');
admin> INSERT INTO proxysql_servers (hostname) values ('192.168.0.8');
admin> LOAD PROXYSQL SERVERS TO RUNTIME; SAVE PROXYSQL SERVERS TO DISK;

22. admin> INSERT INTO mysql_query_rules
(rule_id, active, username, schemaname, destination_hostgroup, multiplex, apply)
VALUES
(101, 1, 'mcmaster', ‘RouteDB’, 51, 2, 1),
(102, 1, ‘mcslave’, ‘RouteDB', 151, 2, 1),
(103, 1, 'mcmaster', ‘UserDB1', 52, 2, 1),
(104, 1, 'mcslave', ‘UserDB1', 152, 2, 1),
(105, 1, 'mcmaster', ‘UserDB2', 52, 2, 1),
(106, 1, 'mcslave', ‘UserDB2', 152, 2, 1),
(107, 1, 'mcmaster', ‘UserDB3', 53, 2, 1),
(108, 1, 'mcslave', ‘UserDB3', 153, 2, 1),
(109, 1, 'mcmaster', ‘UserDB4', 53, 2, 1),
(110, 1, 'mcslave', ‘UserDB4', 153, 2, 1);
admin> LOAD MYSQL QUERY RULES TO RUNTIME;SAVE MYSQL QUERY RULES TO DISK;
DB유저명 + 스키마명 = 목표 논리 DB

31. admin> INSERT INTO mysql_servers(hostgroup_id,hostname,port) VALUES (51,'10.79.x.z',13306); //DB1의 master
admin> INSERT INTO mysql_servers(hostgroup_id,hostname,port) VALUES (151,'10.79.x.b',13306); //DB1의 slave
admin> INSERT INTO mysql_servers(hostgroup_id,hostname,port) VALUES (52,'10.79.x.c',13306); //DB2의 master
admin> INSERT INTO mysql_servers(hostgroup_id,hostname,port) VALUES (152,'10.79.x.d',13306); //DB2의 slave
admin> INSERT INTO mysql_servers(hostgroup_id,hostname,port) VALUES (53,'10.79.x.e',13306); //DB3의 master
admin> INSERT INTO mysql_servers(hostgroup_id,hostname,port) VALUES (153,'10.79.x.f',13306); //DB3의 slave
admin> LOAD MYSQL SERVERS TO RUNTIME; SAVE MYSQL SERVERS TO DISK;

32. admin> INSERT INTO mysql_query_rules
(rule_id, active, username, schemaname, destination_hostgroup, multiplex, apply)
VALUES
(101, 1, 'mcmaster', ‘RouteDB’, 51, 2, 1),
(102, 1, ‘mcslave’, ‘RouteDB', 151, 2, 1),
(103, 1, 'mcmaster', ‘UserDB1', 52, 2, 1),
(104, 1, 'mcslave', 'UserDB1', 152, 2, 1),
(105, 1, 'mcmaster', ‘UserDB2', 52, 2, 1),
(106, 1, 'mcslave', ‘UserDB2', 152, 2, 1),
(107, 1, 'mcmaster', ‘UserDB3', 53, 2, 1),
(108, 1, 'mcslave', ‘UserDB3', 153, 2, 1),
(109, 1, 'mcmaster', ‘UserDB4', 53, 2, 1),
(110, 1, 'mcslave', ‘UserDB4', 153, 2, 1);
admin> LOAD MYSQL QUERY RULES TO RUNTIME;SAVE MYSQL QUERY RULES TO DISK;

33. admin> INSERT INTO mysql_query_rules
(rule_id, active, username, schemaname, destination_hostgroup, multiplex, apply)
VALUES
(101, 1, 'mcmaster', ‘RouteDB’, 51, 2, 1),
(102, 1, ‘mcslave’, ‘RouteDB', 151, 2, 1),
(103, 1, 'mcmaster', ‘UserDB1', 52, 2, 1),
(104, 1, 'mcslave', 'UserDB1', 152, 2, 1),
(105, 1, 'mcmaster', ‘UserDB2', 52, 2, 1),
(106, 1, 'mcslave', ‘UserDB2', 152, 2, 1),
(107, 1, 'mcmaster', ‘UserDB3', 53, 2, 1),
(108, 1, 'mcslave', ‘UserDB3', 153, 2, 1),
(109, 1, 'mcmaster', ‘UserDB4', 53, 2, 1),
(110, 1, 'mcslave', ‘UserDB4', 153, 2, 1);
admin> LOAD MYSQL QUERY RULES TO RUNTIME;SAVE MYSQL QUERY RULES TO DISK;

35. UserDB1
UserDB2
MySQL Server 1 MySQL Server 3
RouterDB
UserDB3
UserDB4
MySQL Server 2

36. UserDB1
MySQL Server
UserDB1
UserDB2
UserDB3
MySQL Server

37. UserDB1
UserDB2
UserDB3
MySQL Server
MySQL Server 1
UserDB1
MySQL Server 2
UserDB2
MySQL Server 3
UserDB3
유저 증가
유저 감소

47. à

48. 사용, 300
가용, 2700