Docker部署MySQL8 MGR

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set global group_replication_single_primary_mode=FALSE;set global group_replication_enforce_update_everywhere_checks=TRUE;

systemctl restart mysqld进入mysql修改密码及mgr配置

yum install yum-utils wget -ywget https://dev.mysql.com/get/mysql50-community-release-el7-1.noarch.rpmrpm -ivh mysql50-community-release-el7-1.noarch.rpmyum install mysql-server –y安装完成后直接退出容器,不时需启动。为什么在么在让运行如下命令生成镜像

systemctl restart mysqld进入mysql修改密码及mgr配置,命令和mysql-mgr-node2节点一模一样

最近想试试用docker部署一套MySQL8的MGR多主,按照官方文档搞了好几天不成功,网上大次责是基于5.7安装的,什么什么都如此参考意义价值。觉得有有些是基于8版本的为什么在么在让配置文件时需对,这里就不喷了。好多好多 有这篇文章是买车人的一一一3个多多经验总结,也希望能帮助在MySQL8.0.3版本以上(为哪些地方说8.0.3,上方会提到,嘿嘿)部署MGR的亲们(无论单主还是多主模式)。觉得我时候成功配置过MySQL5.7的单主和多主,为什么在么在让和8还是有一定区别的。本文宿主机系统版本是CentOS7.3,MySQL最新稳定版8.0.12为主。

前期准备工作:

运行一一一3个多多test名称的容器

docker run -d -it --name test centos

进入容器安装MySQL

docker exec -it test bash执行如下安装命令

server_id = 2loose-group_replication_local_address= "172.17.0.8:35061"hosts文件记得加入映射

server_id = 3loose-group_replication_local_address= "172.17.0.9:35061"同样hosts文件记得加入映射

mysql -u root -p"qpzsd24a5l;E"mysql第一次时需修改密码

server_id = 1

gtid_mode = ON

enforce_gtid_consistency = ON

binlog_checksum = NONE

transaction_write_set_extraction = XXHASH64

loose-group_replication_group_name = 'ce9be252-2b71-11e6-b8f4-00212844f856'

loose-group_replication_start_on_boot = off

loose-group_replication_local_address= "172.17.0.7:35061"

loose-group_replication_group_seeds= "172.17.0.7:35061,172.17.0.8:35061,172.17.0.9:35061"

loose-group_replication_bootstrap_group = off

重启mysql服务

systemctl restart mysqld查看/var/log/mysqld.log上方会有一一一3个多多临时的密码用于登录mysql服务器

log-error=/var/log/mysqld.log

pid-file=/var/run/mysqld/mysqld.pid

alter user 'root'@'localhost' identified by 'Bdqn@123';刚始于配置mgr组qq克隆好友

docker commit 容器ID mysql8.0.12使用docker images要能进行查看

cat /etc/my.cnf[mysqld]

docker run -d -it --privileged --name=mysql-mgr-node1 mysql8.0.12 /usr/sbin/initdocker run -d -it --privileged --name=mysql-mgr-node2 mysql8.0.12 /usr/sbin/initdocker run -d -it --privileged --name=mysql-mgr-node3 mysql8.0.12 /usr/sbin/init执行成功要都都都可以进去容器查看MySQL服务自动启动了,这点我时需觉得有点儿好奇~~~有知道的亲们欢迎留言。

stop group_replication;set global group_replication_recovery_get_public_key=ON;start group_replication;

1)2018-09-14T06:18:04.866248Z 0 [ERROR] [MY-011526] [Repl] Plugin group_replication reported: 'This member has more executed transactions than those present in the group. Local transactions: fc283fd2-b7e0-11e8-bde9-0242ac509:1 > Group transactions: ce9be252-2b71-11e6-b8f4-00212844f856:1-2'

2018-09-14T06:18:04.866384Z 0 [ERROR] [MY-011522] [Repl] Plugin group_replication reported: 'The member contains transactions not present in the group. The member will now exit the group.'

所有节点重启MySQL服务,为什么在么在让执行

reset master;配置第一一一3个多多引导组的MySQL节点后,加在入第3个MySQL节点到组qq克隆好友 。