ProxySQL
Материал из noname.com.ua
ProxySQL
Подготовка
сделать три ноды - мастер -2 слейва
CREATE DATABASE vena_test_db; USE vena_test_db; CREATE TABLE master_table (id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY, data varchar(255) NOT NULL); INSERT INTO master_table VALUES(1, 'data1'); GRANT ALL ON vena_test_db.* to 'vena_test_user'@'%' identified by 'vena_test_password';
На обоих слейвах
USE vena_test_db; CREATE TABLE slave_table (id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY, data varchar(255) NOT NULL); INSERT INTO slave_table VALUES(1, 'slave-data1'); GRANT ALL ON vena_test_db.* to 'vena_test_user'@'%' identified by 'vena_test_password';
на ProxySQL
INSERT INTO mysql_servers(hostgroup_id, hostname, port) VALUES (20, 'mysql-slave-1', 3306); INSERT INTO mysql_servers(hostgroup_id, hostname, port) VALUES (20, 'mysql-slave-2', 3306);
INSERT INTO mysql_group_replication_hostgroups (writer_hostgroup, backup_writer_hostgroup, reader_hostgroup, offline_hostgroup, active, max_writers, writer_is_also_reader, max_transactions_behind) VALUES (10, 11, 3, 1, 1, 3, 1, 100);