1.1下載二進制安裝包
wget https://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.40-linux-glibc2.12-x86_64.tar.gz
1.2創建 mysql用戶與組
groupadd -r -g 306 mysql useradd -r -g 306 -u 306 -m -s /sbin/nologin mysql
1.3解壓
tar xf mysql-5.6.40-linux-glibc2.12-x86_64.tar.gz -C /usr/local
1.4創建mysql軟連接
cd /usr/local ln -s mysql-5.6.40-linux-glibc2.12-x86_64 mysql
1.5修改所屬主,所屬組權限
chown -R mysql.mysql /usr/local/mysql-5.6.40-linux-glibc2.12-x86_64 chown mysql.mysql /usr/local/mysql
1.6創建目錄,修改mysql目錄的所屬主
mkdir -p /data/mysql{,_binlog} chown -R mysql.mysql /data/mysql chown -R mysql.mysql /data/mysql_binlog
1.7創建配置文件目錄
mkdir /etc/mysql/ cp /usr/local/mysql/support-files/my-default.cnf /etc/mysql/my.cnf
1.8配置文件 vim /etc/mysql/my.cnf
[client] port = 3306 socket = /data/mysql/mysql.sock [mysqld] port = 3306 user = mysql basedir = /usr/local/mysql datadir = /data/mysql socket = /data/mysql/mysql.sock pid-file = /data/mysql/mysql.pid log-error = /data/mysql/mysql_error.log character-set-server = utf8 init_connect='SET NAMES utf8' innodb_log_file_size = 256M innodb_file_format = barracuda innodb_strict_mode = 0 innodb_file_per_table = on #跳過主機名解析 skip-name-resolve #服務器ID,集群必填配置,區分機器編號,每台機器不同 server_id = 1 #開啟二進制日志,行級記錄,同步寫入磁盤 log_bin = /data/mysql_binlog/mysql-bin binlog_format = row sync_binlog = 1 sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION' symbolic-links=0
1.9修改PATH環境變量
]# vim /etc/profile.d/mysql.sh
PATH=/usr/local/mysql/bin:$PATH
]# source /etc/profile.d/mysql.sh
2.0創建數據庫文件
cd /usr/local/mysql/
./scripts/mysql_install_db --datadir=/data/mysql --user=mysql
2.1准備啟動腳本
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld chkconfig --add mysqld service mysqld start
2.2安全初始化
ln -s /data/mysql/mysql.sock /tmp/mysql.sock mysql_secure_installation
root沒有密碼 --> 直接回車 --> 是否設置密碼 Y 輸入密碼 --> 是否刪除匿名用戶 Y --> 是否禁止root遠程連接 N --> 是否刪除test測試數據庫 Y --> 是否重新載入數據庫 Y ---> OK
2.3主從復制架構
2.3.1配置文件
master 主數據庫
log_bin=/bin_log_PATH/mysql-bin 開啟二進制日志 binlog_format = row 二進制日志記錄方式,行級記錄 server_id = 1
2.3.2創建主從復制專用權限用戶
mysql> grant replication salve on *.* to 'repluer'@'172.16.1.%' identified by '123456'
2.3.3刷新二進制日志
mysql> reset master;
mysql> show master status;

2.3.3 slave 從數據庫配置文件
server_id=2
2.4建立主從關聯
mysql> change master to master_host='172.16.1.211', master_user='repluser',master_password='123456', master_log_file='mysql-bin.000001',master_log_pos=120;
2.4.1查看與啟用從節點
mysql> start slave;
mysql> show slave status\G
說明:主從復制架構,是多從同步一台主的數據,可能造成主節點壓力大,可以使用主從級聯復制,主節點負責一台從節點,從節點再負責下一台從節點
主要用到配置
從節點 配置 log_bin 二進制日志記錄配置
log_slave_updates 將同步過來的數據,寫入二進制日志,方便下一台從節點同步
