MySQL/MariaDB数据库的复制过滤器
MySQL/MariaDB数据库的复制过滤器
作者：尹正杰
版权声明：原创作品，谢绝转载！否则将追究法律责任。
一.复制过滤器概述
1>.复制器过滤器功能
让从节点仅复制指定的数据库，或指定数据库的指定表。
2>.两种实现方式
方案一:
主服务器仅向二进制日志中记录与特定数据库相关的事件
此项和binlog_format相关,详情请参考官网说明:https://mariadb.com/kb/en/library/mysqld-options/#-binlog-ignore-db
binlog_do_db = 数据库白名单列表，多个数据库需多行实现
binlog_ignore_db = 数据库黑名单列表
问题：
基于二进制还原将无法实现(因为记录的日志只有部分数据库信息，可能存在部分数据无法还原的现象)；不建议使用 方案二:
从服务器SQL_THREAD在replay中继日志中的事件时，仅读取与特定数据库(特定表)相关的事件并应用于本地
问题：
由于将master节点的所有数据都copy至slave节点,但SQL_THREAD线程仅读取与特定数据库(特定表)相关的事件并应用于本地,也就是说部分数据传过来也不去使用，这会造成网络及磁盘IO浪费。
3>.从服务器上的复制过滤器相关变量
MariaDB [(none)]> SHOW VARIABLES LIKE '%replicate%';
+----------------------------------+-----------+
| Variable_name | Value |
+----------------------------------+-----------+
| replicate_annotate_row_events | OFF |
| replicate_do_db | |
| replicate_do_table | |
| replicate_events_marked_for_skip | replicate |
| replicate_ignore_db | |
| replicate_ignore_table | |
| replicate_wild_do_table | |
| replicate_wild_ignore_table | |
+----------------------------------+-----------+
rows in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> SHOW VARIABLES LIKE '%replicate%';
replicate_do_db=
指定复制库的白名单
replicate_ignore_db=
指定复制库黑名单
replicate_do_table=
指定复制表的白名单
replicate_ignore_table=
指定复制表的黑名单
replicate_wild_do_table= foo%.bar%
解决跨库更新的问题支持通配符
replicate_wild_ignore_table=
同上
二.复制过滤器在slave节点定义白名单案例
1>.master服务器配置
[root@node102.yinzhengjie.org.cn ~]# cat /etc/my.cnf
[mysqld]
server-id =
binlog_format = row
log_bin = /data/mysql/logbin/master-
character-set-server = utf8mb4
default_storage_engine = InnoDB
datadir = /var/lib/mysql
socket = /var/lib/mysql/mysql.sock [mysqld_safe]
log-error = /var/log/mariadb/mariadb.log
pid-file = /var/run/mariadb/mariadb.pid !includedir /etc/my.cnf.d
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# cat /etc/my.cnf #查看配置文件
[root@node102.yinzhengjie.org.cn ~]# ll /var/lib/mysql/
total
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# ll /data/mysql/logbin/
total
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# systemctl start mariadb
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# ll /var/lib/mysql/
total
-rw-rw---- mysql mysql Nov : aria_log.
-rw-rw---- mysql mysql Nov : aria_log_control
-rw-rw---- mysql mysql Nov : ibdata1
-rw-rw---- mysql mysql Nov : ib_logfile0
-rw-rw---- mysql mysql Nov : ib_logfile1
drwx------ mysql mysql Nov : mysql
srwxrwxrwx mysql mysql Nov : mysql.sock
drwx------ mysql mysql Nov : performance_schema
drwx------ mysql mysql Nov : test
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# ll /data/mysql/logbin/
total
-rw-rw---- mysql mysql Nov : master-102.000001
-rw-rw---- mysql mysql Nov : master-102.000002
-rw-rw---- mysql mysql Nov : master-102.000003
-rw-rw---- mysql mysql Nov : master-.index
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# systemctl start mariadb #启动数据库实例
[root@node102.yinzhengjie.org.cn ~]# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is
Server version: 5.5.-MariaDB MariaDB Server Copyright (c) , , Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]>
MariaDB [(none)]> SELECT user,host,password FROM mysql.user;
+------+----------------------------+----------+
| user | host | password |
+------+----------------------------+----------+
| root | localhost | |
| root | node102.yinzhengjie.org.cn | |
| root | 127.0.0.1 | |
| root | :: | |
| | localhost | |
| | node102.yinzhengjie.org.cn | |
+------+----------------------------+----------+
rows in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> GRANT REPLICATION SLAVE ON *.* TO 'copy'@'172.30.1.10%' IDENTIFIED BY 'yinzhengjie';
Query OK, rows affected (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> SELECT user,host,password FROM mysql.user;
+------+----------------------------+-------------------------------------------+
| user | host | password |
+------+----------------------------+-------------------------------------------+
| root | localhost | |
| root | node102.yinzhengjie.org.cn | |
| root | 127.0.0.1 | |
| root | :: | |
| | localhost | |
| | node102.yinzhengjie.org.cn | |
| copy | 172.30.1.10% | *BD0B1F48FDC55BD27555FC2F22FF29A68A25A1D7 |
+------+----------------------------+-------------------------------------------+
rows in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> QUIT
Bye
[root@node102.yinzhengjie.org.cn ~]#
在master节点上创建有复制权限的用户账号
[root@node102.yinzhengjie.org.cn ~]# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is
Server version: 5.5.-MariaDB MariaDB Server Copyright (c) , , Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]>
MariaDB [(none)]> SHOW MASTER LOGS;
+-------------------+-----------+
| Log_name | File_size |
+-------------------+-----------+
| master-102.000001 | |
| master-102.000002 | |
| master-102.000003 | |
+-------------------+-----------+
rows in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> SHOW MASTER STATUS;
+-------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+-------------------+----------+--------------+------------------+
| master-102.000003 | | | |
+-------------------+----------+--------------+------------------+
row in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> QUIT
Bye
[root@node102.yinzhengjie.org.cn ~]#
MariaDB [(none)]> SHOW MASTER STATUS; #查看master当前二进制日志状态信息
2>.slave节点配置主从复制
[root@node103.yinzhengjie.org.cn ~]# cat /etc/my.cnf #查看配置文件
[mysqld]
server-id =
binlog_format = row
read-only = on
replicate_do_db = devops
relay_log = relay-log-
relay_log_index = relay-log-.index
character-set-server = utf8mb4
default_storage_engine = InnoDB
datadir = /var/lib/mysql
socket = /var/lib/mysql/mysql.sock [mysqld_safe]
log-error = /var/log/mariadb/mariadb.log
pid-file = /var/run/mariadb/mariadb.pid !includedir /etc/my.cnf.d
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]# cat /etc/my.cnf #编辑配置文件,指定值复制devops这个数据库
[root@node103.yinzhengjie.org.cn ~]# ll /var/lib/mysql/
total
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]# systemctl start mariadb
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]# ll /var/lib/mysql/
total
-rw-rw---- mysql mysql Nov : aria_log.
-rw-rw---- mysql mysql Nov : aria_log_control
-rw-rw---- mysql mysql Nov : ibdata1
-rw-rw---- mysql mysql Nov : ib_logfile0
-rw-rw---- mysql mysql Nov : ib_logfile1
drwx------ mysql mysql Nov : mysql
srwxrwxrwx mysql mysql Nov : mysql.sock
drwx------ mysql mysql Nov : performance_schema
drwx------ mysql mysql Nov : test
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]# systemctl start mariadb
[root@node103.yinzhengjie.org.cn ~]# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is
Server version: 5.5.-MariaDB MariaDB Server Copyright (c) , , Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> CHANGE MASTER TO
-> MASTER_HOST='172.30.1.102',
-> MASTER_USER='copy',
-> MASTER_PASSWORD='yinzhengjie',
-> MASTER_PORT=,
-> MASTER_LOG_FILE='master-102.000003',
-> MASTER_LOG_POS=,
-> MASTER_CONNECT_RETRY=;
Query OK, rows affected (0.01 sec) MariaDB [(none)]>
MariaDB [(none)]> SHOW SLAVE STATUS\G
*************************** . row ***************************
Slave_IO_State:
Master_Host: 172.30.1.102
Master_User: copy
Master_Port:
Connect_Retry:
Master_Log_File: master-102.000003
Read_Master_Log_Pos:
Relay_Log_File: relay-log-103.000001
Relay_Log_Pos:
Relay_Master_Log_File: master-102.000003
Slave_IO_Running: No
Slave_SQL_Running: No
Replicate_Do_DB: devops
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno:
Last_Error:
Skip_Counter:
Exec_Master_Log_Pos:
Relay_Log_Space:
Until_Condition: None
Until_Log_File:
Until_Log_Pos:
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: NULL
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno:
Last_IO_Error:
Last_SQL_Errno:
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id:
row in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> START SLAVE;
Query OK, rows affected (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> SHOW SLAVE STATUS\G
*************************** . row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 172.30.1.102
Master_User: copy
Master_Port:
Connect_Retry:
Master_Log_File: master-102.000003
Read_Master_Log_Pos:
Relay_Log_File: relay-log-103.000002
Relay_Log_Pos:
Relay_Master_Log_File: master-102.000003
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB: devops
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno:
Last_Error:
Skip_Counter:
Exec_Master_Log_Pos:
Relay_Log_Space:
Until_Condition: None
Until_Log_File:
Until_Log_Pos:
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master:
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno:
Last_IO_Error:
Last_SQL_Errno:
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id:
row in set (0.00 sec) MariaDB [(none)]>
slave配置主从复制详细过程
3>.验证数据库配置是否生效
[root@node102.yinzhengjie.org.cn ~]# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is
Server version: 5.5.-MariaDB MariaDB Server Copyright (c) , , Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
rows in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> CREATE DATABASE db1;
Query OK, row affected (0.00 sec) MariaDB [(none)]> CREATE DATABASE db2;
Query OK, row affected (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> CREATE DATABASE db3;
Query OK, row affected (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> CREATE DATABASE devops;
Query OK, row affected (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| db1 |
| db2 |
| db3 |
| devops |
| mysql |
| performance_schema |
| test |
+--------------------+
rows in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> USE devops
Database changed
MariaDB [devops]>
MariaDB [devops]> CREATE TABLE students(id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,name VARCHAR() NOT NULL,sex ENUM('bo
y','girl') DEFAULT 'boy',age TINYINT UNSIGNED,mobile CHAR(11),address VARCHAR(50));Query OK, 0 rows affected (0.01 sec) MariaDB [devops]>
MariaDB [devops]> INSERT INTO students (name,age,mobile,address) VALUES ('Jason Yin',,,'beijing'),('Jay','',
,'Taiwan');Query OK, rows affected (0.01 sec)
Records: Duplicates: Warnings: MariaDB [devops]>
MariaDB [devops]> SHOW TABLES;
+------------------+
| Tables_in_devops |
+------------------+
| students |
+------------------+
row in set (0.00 sec) MariaDB [devops]>
MariaDB [devops]> SELECT * FROM students;
+----+-----------+------+------+--------+---------+
| id | name | sex | age | mobile | address |
+----+-----------+------+------+--------+---------+
| | Jason Yin | boy | | | beijing |
| | Jay | boy | | | Taiwan |
+----+-----------+------+------+--------+---------+
rows in set (0.00 sec) MariaDB [devops]>
MariaDB [devops]>
master节点创建多个测试数据库
[root@node103.yinzhengjie.org.cn ~]# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is
Server version: 5.5.-MariaDB MariaDB Server Copyright (c) , , Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]>
MariaDB [(none)]> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| devops |
| mysql |
| performance_schema |
| test |
+--------------------+
rows in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> USE devops
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A Database changed
MariaDB [devops]> SHOW TABLES;
+------------------+
| Tables_in_devops |
+------------------+
| students |
+------------------+
row in set (0.00 sec) MariaDB [devops]>
MariaDB [devops]> SELECT * FROM students;
+----+-----------+------+------+--------+---------+
| id | name | sex | age | mobile | address |
+----+-----------+------+------+--------+---------+
| | Jason Yin | boy | | | beijing |
| | Jay | boy | | | Taiwan |
+----+-----------+------+------+--------+---------+
rows in set (0.01 sec) MariaDB [devops]>
MariaDB [devops]>
MariaDB [(none)]> QUIT
Bye
[root@node103.yinzhengjie.org.cn ~]#
slave节点发现只有一个数据库的信息过来啦
三.复制过滤器在master节点定义白名单案例
1>.master服务器配置
[root@node102.yinzhengjie.org.cn ~]# cat /etc/my.cnf
[mysqld]
server-id =
binlog_format = row
log_bin = /data/mysql/logbin/master-
binlog_do_db = db2 #此处我们只记录db2的日志
binlog_do_db = devops #和上面一行累加起来，就是只记录db2和devops数据库的内容
character-set-server = utf8mb4
default_storage_engine = InnoDB
datadir = /var/lib/mysql
socket = /var/lib/mysql/mysql.sock [mysqld_safe]
log-error = /var/log/mariadb/mariadb.log
pid-file = /var/run/mariadb/mariadb.pid !includedir /etc/my.cnf.d
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# cat /etc/my.cnf
[root@node102.yinzhengjie.org.cn ~]# ll /var/lib/mysql/
total
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# ll /data/mysql/logbin/
total
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# systemctl start mariadb
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# ll /var/lib/mysql/
total
-rw-rw---- mysql mysql Nov : aria_log.
-rw-rw---- mysql mysql Nov : aria_log_control
-rw-rw---- mysql mysql Nov : ibdata1
-rw-rw---- mysql mysql Nov : ib_logfile0
-rw-rw---- mysql mysql Nov : ib_logfile1
drwx------ mysql mysql Nov : mysql
srwxrwxrwx mysql mysql Nov : mysql.sock
drwx------ mysql mysql Nov : performance_schema
drwx------ mysql mysql Nov : test
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# ll /data/mysql/logbin/
total
-rw-rw---- mysql mysql Nov : master-102.000001
-rw-rw---- mysql mysql Nov : master-102.000002
-rw-rw---- mysql mysql Nov : master-102.000003
-rw-rw---- mysql mysql Nov : master-.index
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# systemctl start mariadb
[root@node102.yinzhengjie.org.cn ~]# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is
Server version: 5.5.-MariaDB MariaDB Server Copyright (c) , , Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]>
MariaDB [(none)]> SELECT user,host,password FROM mysql.user;
+------+----------------------------+----------+
| user | host | password |
+------+----------------------------+----------+
| root | localhost | |
| root | node102.yinzhengjie.org.cn | |
| root | 127.0.0.1 | |
| root | :: | |
| | localhost | |
| | node102.yinzhengjie.org.cn | |
+------+----------------------------+----------+
rows in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> GRANT REPLICATION SLAVE ON *.* TO 'copy'@'172.30.1.10%' IDENTIFIED BY 'yinzhengjie';
Query OK, rows affected (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> SELECT user,host,password FROM mysql.user;
+------+----------------------------+-------------------------------------------+
| user | host | password |
+------+----------------------------+-------------------------------------------+
| root | localhost | |
| root | node102.yinzhengjie.org.cn | |
| root | 127.0.0.1 | |
| root | :: | |
| | localhost | |
| | node102.yinzhengjie.org.cn | |
| copy | 172.30.1.10% | *BD0B1F48FDC55BD27555FC2F22FF29A68A25A1D7 |
+------+----------------------------+-------------------------------------------+
rows in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> QUIT
Bye
[root@node102.yinzhengjie.org.cn ~]#
在master节点上创建有复制权限的用户账号
[root@node102.yinzhengjie.org.cn ~]# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is
Server version: 5.5.-MariaDB MariaDB Server Copyright (c) , , Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]>
MariaDB [(none)]> SHOW MASTER LOGS;
+-------------------+-----------+
| Log_name | File_size |
+-------------------+-----------+
| master-102.000001 | |
| master-102.000002 | |
| master-102.000003 | |
+-------------------+-----------+
rows in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> SHOW MASTER STATUS;
+-------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+-------------------+----------+--------------+------------------+
| master-102.000003 | | | |
+-------------------+----------+--------------+------------------+
row in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> QUIT
Bye
[root@node102.yinzhengjie.org.cn ~]#
MariaDB [(none)]> SHOW MASTER STATUS; #查看master当前二进制日志状态信息
2>.slave节点配置主从复制
[root@node103.yinzhengjie.org.cn ~]# cat /etc/my.cnf #最好将之前配置的从节点白名单删除，以免影响试验结果
[mysqld]
server-id =
binlog_format = row
read-only = on
relay_log = relay-log-
relay_log_index = relay-log-.index
character-set-server = utf8mb4
default_storage_engine = InnoDB
datadir = /var/lib/mysql
socket = /var/lib/mysql/mysql.sock [mysqld_safe]
log-error = /var/log/mariadb/mariadb.log
pid-file = /var/run/mariadb/mariadb.pid !includedir /etc/my.cnf.d
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]# cat /etc/my.cnf #最好将之前配置的从节点白名单删除
[root@node103.yinzhengjie.org.cn ~]# ll /var/lib/mysql/
total
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]# systemctl start mariadb
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]# ll /var/lib/mysql/
total
-rw-rw---- mysql mysql Nov : aria_log.
-rw-rw---- mysql mysql Nov : aria_log_control
-rw-rw---- mysql mysql Nov : ibdata1
-rw-rw---- mysql mysql Nov : ib_logfile0
-rw-rw---- mysql mysql Nov : ib_logfile1
drwx------ mysql mysql Nov : mysql
srwxrwxrwx mysql mysql Nov : mysql.sock
drwx------ mysql mysql Nov : performance_schema
drwx------ mysql mysql Nov : test
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]# systemctl start mariadb
[root@node103.yinzhengjie.org.cn ~]# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is
Server version: 5.5.-MariaDB MariaDB Server Copyright (c) , , Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> CHANGE MASTER TO
-> MASTER_HOST='172.30.1.102',
-> MASTER_USER='copy',
-> MASTER_PASSWORD='yinzhengjie',
-> MASTER_PORT=,
-> MASTER_LOG_FILE='master-102.000003',
-> MASTER_LOG_POS=,
-> MASTER_CONNECT_RETRY=;
Query OK, rows affected (0.01 sec) MariaDB [(none)]>
MariaDB [(none)]> SHOW SLAVE STATUS\G
*************************** . row ***************************
Slave_IO_State:
Master_Host: 172.30.1.102
Master_User: copy
Master_Port:
Connect_Retry:
Master_Log_File: master-102.000003
Read_Master_Log_Pos:
Relay_Log_File: relay-log-103.000001
Relay_Log_Pos:
Relay_Master_Log_File: master-102.000003
Slave_IO_Running: No
Slave_SQL_Running: No
Replicate_Do_DB: devops
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno:
Last_Error:
Skip_Counter:
Exec_Master_Log_Pos:
Relay_Log_Space:
Until_Condition: None
Until_Log_File:
Until_Log_Pos:
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: NULL
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno:
Last_IO_Error:
Last_SQL_Errno:
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id:
row in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> START SLAVE;
Query OK, rows affected (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> SHOW SLAVE STATUS\G
*************************** . row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 172.30.1.102
Master_User: copy
Master_Port:
Connect_Retry:
Master_Log_File: master-102.000003
Read_Master_Log_Pos:
Relay_Log_File: relay-log-103.000002
Relay_Log_Pos:
Relay_Master_Log_File: master-102.000003
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB: devops
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno:
Last_Error:
Skip_Counter:
Exec_Master_Log_Pos:
Relay_Log_Space:
Until_Condition: None
Until_Log_File:
Until_Log_Pos:
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master:
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno:
Last_IO_Error:
Last_SQL_Errno:
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id:
row in set (0.00 sec) MariaDB [(none)]>
slave配置主从复制详细过程
3>.验证数据库配置是否生效
[root@node102.yinzhengjie.org.cn ~]# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is
Server version: 5.5.-MariaDB MariaDB Server Copyright (c) , , Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]>
MariaDB [(none)]> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
rows in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> CREATE DATABASE db1;
Query OK, row affected (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> CREATE DATABASE db2;
Query OK, row affected (0.00 sec) MariaDB [(none)]> CREATE DATABASE db3;
Query OK, row affected (0.00 sec) MariaDB [(none)]> CREATE DATABASE devops;
Query OK, row affected (0.00 sec) MariaDB [(none)]> USE devops
Database changed
MariaDB [devops]>
MariaDB [devops]> CREATE TABLE students(id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,name VARCHAR() NOT NULL,sex ENUM('boy','girl') DEFAULT 'boy',age TINYINT UNSIGNED,mobile CHAR(),address VARCHAR());
Query OK, rows affected (0.01 sec) MariaDB [devops]>
MariaDB [devops]> INSERT INTO students (name,age,mobile,address) VALUES ('Jason Yin',,,'beijing'),('Jay','',,'Taiwan');
Query OK, rows affected (0.01 sec)
Records: Duplicates: Warnings: MariaDB [devops]>
MariaDB [devops]> SELECT * FROM students;
+----+-----------+------+------+--------+---------+
| id | name | sex | age | mobile | address |
+----+-----------+------+------+--------+---------+
| | Jason Yin | boy | | | beijing |
| | Jay | boy | | | Taiwan |
+----+-----------+------+------+--------+---------+
rows in set (0.00 sec) MariaDB [devops]>
MariaDB [devops]> USE db2
Database changed
MariaDB [db2]>
MariaDB [db2]> CREATE TABLE test SELECT * FROM devops.students;
Query OK, rows affected (0.00 sec)
Records: Duplicates: Warnings: MariaDB [db2]>
MariaDB [db2]> SELECT * FROM test;
+----+-----------+------+------+--------+---------+
| id | name | sex | age | mobile | address |
+----+-----------+------+------+--------+---------+
| | Jason Yin | boy | | | beijing |
| | Jay | boy | | | Taiwan |
+----+-----------+------+------+--------+---------+
rows in set (0.00 sec) MariaDB [db2]>
MariaDB [db2]> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| db1 |
| db2 |
| db3 |
| devops |
| mysql |
| performance_schema |
| test |
+--------------------+
rows in set (0.00 sec) MariaDB [db2]>
MariaDB [db2]> QUIT
Bye
[root@node102.yinzhengjie.org.cn ~]#
master节点创建多个测试数据库
[root@node103.yinzhengjie.org.cn ~]# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is
Server version: 5.5.-MariaDB MariaDB Server Copyright (c) , , Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]>
MariaDB [(none)]> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| db2 |
| devops |
| mysql |
| performance_schema |
| test |
+--------------------+
rows in set (0.00 sec) MariaDB [(none)]>
MariaDB [(none)]> USE devops
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A Database changed
MariaDB [devops]>
MariaDB [devops]> SHOW TABLES;
+------------------+
| Tables_in_devops |
+------------------+
| students |
+------------------+
row in set (0.00 sec) MariaDB [devops]>
MariaDB [devops]> SELECT * FROM students;
+----+-----------+------+------+--------+---------+
| id | name | sex | age | mobile | address |
+----+-----------+------+------+--------+---------+
| | Jason Yin | boy | | | beijing |
| | Jay | boy | | | Taiwan |
+----+-----------+------+------+--------+---------+
rows in set (0.00 sec) MariaDB [devops]>
MariaDB [devops]> USE db2
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A Database changed
MariaDB [db2]>
MariaDB [db2]> SHOW TABLES;
+---------------+
| Tables_in_db2 |
+---------------+
| test |
+---------------+
row in set (0.00 sec) MariaDB [db2]>
MariaDB [db2]> SELECT * FROM test;
+----+-----------+------+------+--------+---------+
| id | name | sex | age | mobile | address |
+----+-----------+------+------+--------+---------+
| | Jason Yin | boy | | | beijing |
| | Jay | boy | | | Taiwan |
+----+-----------+------+------+--------+---------+
rows in set (0.00 sec) MariaDB [db2]>
MariaDB [db2]> QUIT
Bye
[root@node103.yinzhengjie.org.cn ~]#
slave节点发现只有db2和devops两个数据库的信息过来啦
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