1、创建用户

useradd -u 1000 teledb

passwd teledb

Nihao123,

2、解压文件

tar  -zxvf mariadb.tar.gz  -C  /oracle/mysql/

cd /oracle/mysql/data

mkdir  mariadb10_data3306

cd  mariadb10_data3306/

mkdir  {data,binlog,relaylog,logs,tmp}

cd   logs

mkdir  {arch,tmp}

vim  /home/teledb/.bash_profile

PATH=$PATH:$HOME/bin:/home/teledb/mariadb/bin

修改配置文件：

vim /home/teledb/mariadb/etc/mariadb3306.cnf

参数修改：

server-id=25563306   命名规则：机器ip后两个+端口

gtid-domain-id=5657586  一主两从ip的后一位+端口后一位

innodb_buffer_pool_size=8G  单实例不超过机器内存的80%，双实例加起来不超过机器内存的80% 内存 free -m 查看

innodb_thread_concurrency=6   小于等于cpu线程数 cat /proc/cpuinfo |grep 'processor' | sort -u | wc -l

log_slave_updates   一主两从开启log_slave_updates

report-host=172.31.25.56   修改report_host，改成机器IP

根据实际情况修改个别路径

cd /oracle/mysql/mariadb/

./scripts/mysql_install_db --defaults-file=/oracle/mysql/mariadb/etc/mariadb3306.cnf

启动mariadb

mysqld_safe  --defaults-file=/oracle/mysql/mariadb/etc/mariadb3306.cnf  &

查看错误日志文件，若无报错则进行下一步

tail  -100f /data/mariadb10_data3306/logs/mysql3306.err

========创建数据库==========

create database `immcc_test` default character set utf8 collate utf8_general_ci;

/home/teledb/mariadb/bin/mysql -S /tmp/mysql_3306.sock -uroot -p

用sock连接mariadb，执行以下语句：

/home/teledb/mariadb/bin/mysql -S /tmp/mysql_3306.sock -uroot -p

update mysql.user set password=PASSWORD('123456') where User='root';

delete from mysql.user where user='sh_kd_sh_test';

grant all privileges on immcc_test.* to 'immcc_test'@'%' identified by 'immcc_test';

grant all privileges on *.* to 'root'@'%' identified by '1qaz2WSX';

flush privileges;

create database `sh_kd_zj_test` default character set utf8 collate utf8_general_ci;

grant all privileges on sh_kd_zj_test.* to 'sh_kd_zj_test'@'%' identified by 'sh_kd_zj_test';

flush privileges;

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