CentOS 7.2 Dockerに基づくMySQLマスター・スレーブ・アーキテクチャの実装

原文住所:https://blog.csdn.net/sunnyfg/article/details/80655823
1.Dockerのインストール(略)
Centos 7でDockerをインストールします.https://www.cnblogs.com/jiangxiaobo/p/10904002.html
https://www.runoob.com/docker/centos-docker-install.html
2.mysqlミラーのロード
https://www.runoob.com/docker/docker-install-mysql.html

docker pull mysql:5.6

3.プライマリ・スレーブ・データベースのプロファイルの追加

##       
sudo mkdir -p /usr/local/mysqlData/master/cnf
sudo mkdir -p /usr/local/mysqlData/master/data
sudo mkdir -p /usr/local/mysqlData/slave/cnf
sudo mkdir -p /usr/local/mysqlData/slave/data
sudo touch /usr/local/mysqlData/master/cnf/mysql.cnf
sudo touch /usr/local/mysqlData/slave/cnf/mysql.cnf

編集/usr/local/mysqlData/master/cnf/mysql.cnf

[mysqld]
pid-file    = /var/run/mysqld/mysqld.pid
socket    = /var/run/mysqld/mysqld.sock
datadir    = /var/lib/mysql

symbolic-links=0

character-set-server = utf8
#skip-networking
innodb_print_all_deadlocks = 1
max_connections = 2000
max_connect_errors = 6000
open_files_limit = 65535
table_open_cache = 128
max_allowed_packet = 4M
binlog_cache_size = 1M
max_heap_table_size = 8M
tmp_table_size = 16M

read_buffer_size = 2M
read_rnd_buffer_size = 8M
sort_buffer_size = 8M
join_buffer_size = 28M
key_buffer_size = 4M

thread_cache_size = 8

query_cache_type = 1
query_cache_size = 8M
query_cache_limit = 2M

ft_min_word_len = 4

log-bin = mysql-bin
server-id = 1
binlog_format = mixed

performance_schema = 0
explicit_defaults_for_timestamp

#lower_case_table_names = 1

interactive_timeout = 28800
wait_timeout = 28800

# Recommended in standard MySQL setup

sql_mode=NO_ENGINE_SUBSTITUTION,NO_AUTO_CREATE_USER,STRICT_TRANS_TABLES

[mysqldump]
quick
max_allowed_packet = 16M

[myisamchk]
key_buffer_size = 8M
sort_buffer_size = 8M
read_buffer = 4M
write_buffer = 4M

編集/usr/local/mysqlData/slave/cnf/mysql.cnf

[mysqld]
pid-file    = /var/run/mysqld/mysqld.pid
socket    = /var/run/mysqld/mysqld.sock
datadir    = /var/lib/mysql

symbolic-links=0

character-set-server = utf8
#skip-networking
innodb_print_all_deadlocks = 1
max_connections = 2000
max_connect_errors = 6000
open_files_limit = 65535
table_open_cache = 128
max_allowed_packet = 4M
binlog_cache_size = 1M
max_heap_table_size = 8M
tmp_table_size = 16M

read_buffer_size = 2M
read_rnd_buffer_size = 8M
sort_buffer_size = 8M
join_buffer_size = 28M
key_buffer_size = 4M

thread_cache_size = 8

query_cache_type = 1
query_cache_size = 8M
query_cache_limit = 2M

ft_min_word_len = 4

log-bin = mysql-bin
server-id = 2
binlog_format = mixed

performance_schema = 0
explicit_defaults_for_timestamp

#lower_case_table_names = 1

interactive_timeout = 28800
wait_timeout = 28800

# Recommended in standard MySQL setup

sql_mode=NO_ENGINE_SUBSTITUTION,NO_AUTO_CREATE_USER,STRICT_TRANS_TABLES

[mysqldump]
quick
max_allowed_packet = 16M

[myisamchk]
key_buffer_size = 8M
sort_buffer_size = 8M
read_buffer = 4M
write_buffer = 4M

4.masterとslaveコンテナを有効にする

##master    
sudo docker run -itd -p 3307:3306 --name master -v /usr/local/mysqlData/master/cnf:/etc/mysql/conf.d -v /usr/local/mysqlData/master/data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 mysql:5.6
##  master  
sudo docker exec -it master /bin/bash
root@ebc7017a58ef:/#

##slave    
sudo docker run -itd -p 3308:3306 --name slave -v /usr/local/mysqlData/slave/cnf:/etc/mysql/conf.d -v /usr/local/mysqlData/slave/data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 mysql:5.6
root@ee3bb51b4d14:/#

5.データベースがリモートアクセスを開始

##           
sudo firewall-cmd --add-port=3307/tcp --permanent
sudo firewall-cdm --add-port=3308/tcp --permanent
sudo firewall-cmd --reload

##  master       
root@ebc7017a58ef:/# mysql -uroot -p123456
mysql>grant all privileges on *.* to reader@'%' identified by 'readerpwd' with grant option;
Query OK, 0 rows affected (0.01 sec)

mysql>flush privileges;
Query OK, 0 rows affected (0.01 sec)

##  slave       
root@ee3bb51b4d14:/# mysql -uroot -p123456
mysql>grant all privileges on *.* to slave@'%' identified by 'slavepwd' with grant option;
Query OK, 0 rows affected (0.01 sec)

mysql>flush privileges;
Query OK, 0 rows affected (0.01 sec)

6.主従同期の設定

##  master     master  
mysql> show master status;
+------------------+----------+--------------+------------------+-------------------+
| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+------------------+----------+--------------+------------------+-------------------+
| mysql-bin.000002 |      204 |              |                  |                   |
+------------------+----------+--------------+------------------+-------------------+
1 row in set (0.00 sec)

mysql>

  mysql-bin.000002     ，     

##  slave
mysql> change master to master_host='172.17.0.6',master_user='reader',master_password='readerpwd',master_log_file='mysql-bin.000002',master_log_pos=501;

##    
master_host，master    ip  
master_user，  master       
master_password，master_user   
master_log_file，    ，    ，master status     

##  slave,slave      ，start,stop restart
mysql> start slave;

##  slave  
mysql> show slave status;

 
転載先:https://www.cnblogs.com/jiangxiaobo/p/10906260.html