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  • mysql+gtid主从同步

    安装mysql
     yum install mysql-community-client-5.7.17-1.el6.x86_64.rpm mysql-community-common-5.7.17-1.el6.x86_64.rpm  mysql-community-libs-5.7.17-1.el6.x86_64.rpm  mysql-community-libs-compat-5.7.17-1.el6.x86_64.rpm  mysql-community-server-5.7.17-1.el6.x86_64.rpm  -y
    server1:
    [root@server1 ~]# /etc/init.d/mysqld start
    [root@server1 ~]# grep password /var/log/mysqld.log
    [root@server1 ~]# mysql_secure_installation
    [root@server1 ~]# mysql -p
    mysql> show databases;
    mysql> grant replication slave on *.* to bss@’172.25.8.%’ identified by ‘westos’;
    mysql> quit

    server2:
    [root@server2 ~]# mysql -u bss -p -h 172.25.8.1
    Enter password:

    [root@server2 ~]# vim /etc/my.cnf
    [root@server2 ~]# /etc/init.d/mysqld start
    [root@server2 ~]# grep password /var/log/mysqld.log
    [root@server2 ~]# mysql_secure_installation
    [root@server2 ~]# mysql -p
    Enter password:
    mysql> change master to master_host='172.25.8.1', master_user='bss', master_password='Westos-456',master_log_file='mysql-bin.000003', master_log_pos=1001;
    mysql> start slave;
    Query OK, 0 rows affected (0.14 sec)
    mysql> show slave statusG

    gtid
    server1
    vim /etc/my.cnf
    /etc/init.d/mysqld restart
    server2
    mysql> stop slave;
    mysql> change master to master_host='172.25.8.2',master_user='bss',master_password='Westos-123',MASTER_AUTO_POSITION = 1;
    mysql> start slave;
    mysql> show  slave statusG
    mysql> use westos
    mysql> select * from usertb;
    测试:
    server1
    mysql> create database test;
    mysql> use test;
    mysql> create table userlist(
        -> username varchar(10) not null,
        -> password varchar(20) not null);
    mysql> desc userlist;
    mysql> insert into userlist values ('user1','111');
    mysql> insert into userlist values ('user2','222');


    server2
    mysql> show databases;
    mysql> use test
    mysql> select * from userlist;
    server1
    mysql> use test;
    mysql> show tables;
    mysql> insert into userlist values ('user3','333');
    server2
    mysql> use test;
    mysql> select * from userlist;
    主从半同步
    server1:
    mysql> INSTALL PLUGIN rpl_semi_sync_master SONAME 'semisync_master.so';
    mysql> show variables like '%semi_sync%';
    mysql> set global rpl_semi_sync_master_enabled=1;
    server2:
    mysql> INSTALL PLUGIN rpl_semi_sync_slave SONAME 'semisync_slave.so';
    mysql> set global rpl_semi_sync_slave_enabled=1;
    mysql> stop slave io_thread;
    mysql> start slave io_thread;
    mysql> show global variables like '%semi%';
    检测:
    server1:
    mysql> use test;
    mysql> insert into userlist values ('user4','444');
    mysql> show status like '%semi_sync%';

    将slave的半同步关掉,进行插入测试:
    server2:
    mysql> set global rpl_semi_sync_slave_enabled=OFF;
    mysql> stop slave io_thread;
    mysql> start slave io_thread;
    mysql> show global variables like '%semi%';
    server1:
    mysql> insert into userlist values ('user5','555');
    Query OK, 1 row affected (10.20 sec)
    mysql> show global status like '%semi%';
     
     
     
     
     
     
     
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  • 原文地址:https://www.cnblogs.com/zhengyipengyou/p/9748198.html
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