server-id = 330
log-bin = mysql-bin
binlog_format=row
grant replication slave on *.* to repl identified by '123456';
systemctl stop firewalld.service
systemctl disable firewalld.service
mysqldump -h127.0.0.1 --master-data=2 --single-transaction --databases --add-drop-database db1 >db1.sql
mysqldump -h127.0.0.1 --master-data=2 --single-transaction --databases --add-drop-database db2 >db2.sql
scp db1.sql 192.168.56.103:~
scp db2.sql 192.168.56.103:~
CHANGE MASTER TO MASTER_HOST='192.168.56.101',MASTER_USER='repl', MASTER_PASSWORD='123456',MASTER_LOG_FILE='on.000002', MASTER_LOG_POS=362 FOR CHANNEL 'Master_1';
CHANGE MASTER TO MASTER_HOST='192.168.56.102',MASTER_USER='repl', MASTER_PASSWORD='123456', MASTER_LOG_FILE='on.000001', MASTER_LOG_POS=801 FOR CHANNEL 'Master_2';
-- CHANGE MASTER TO MASTER_LOG_FILE='on.000001', MASTER_LOG_POS=593;
-- CHANGE MASTER TO MASTER_LOG_FILE='on.000001', MASTER_LOG_POS=593;
start slave for CHANNEL 'Master_1';
start slave for CHANNEL 'Master_2';
create table test2(id int auto_increment primary key,addr varchar(32));
sed -i 's/db1/db3/g' db1.sql
sed -i 's/db2/db3/g' db2.sql
配置slave：
[root@test3 ~]# cat /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# Settings user and group are ignored when systemd is used.
# If you need to run mysqld under a different user or group,
# customize your systemd unit file for mariadb according to the
# instructions in http://fedoraproject.org/wiki/Systemd
server-id = 430
log-bin = on
binlog_format=row
master_info_repository=TABLE
relay_log_info_repository=TABLE
#ignore
replicate_wild_ignore_table= 'mysql.%'
replicate_wild_ignore_table= 'information_schema.%'
replicate_wild_ignore_table= 'performance_schema.%'
replicate_wild_ignore_table= 'sys.%'
replicate_wild_ignore_table= 'test.%'
#rewrite
rds3.replicate-rewrite-db = db1->db3
rds3.replicate-rewrite-db = db2->db3
[mysqld_safe]
log-error=/var/log/mariadb/mariadb.log
pid-file=/var/run/mariadb/mariadb.pid
#
# include all files from the config directory
#
!includedir /etc/my.cnf.d
[root@test3 ~]#
主二：
[root@test2 mysql]# cat /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# Settings user and group are ignored when systemd is used.
# If you need to run mysqld under a different user or group,
# customize your systemd unit file for mariadb according to the
# instructions in http://fedoraproject.org/wiki/Systemd
server-id = 331
log-bin = on
binlog_format=row
[mysqld_safe]
log-error=/var/log/mariadb/mariadb.log
pid-file=/var/run/mariadb/mariadb.pid
#
# include all files from the config directory
#
!includedir /etc/my.cnf.d
[root@test2 mysql]#
主一：
[root@test1 mysql]# cat /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# Settings user and group are ignored when systemd is used.
# If you need to run mysqld under a different user or group,
# customize your systemd unit file for mariadb according to the
# instructions in http://fedoraproject.org/wiki/Systemd
server-id = 330
log-bin = on
binlog_format=row
[mysqld_safe]
log-error=/var/log/mariadb/mariadb.log
pid-file=/var/run/mariadb/mariadb.pid
#
# include all files from the config directory
#
!includedir /etc/my.cnf.d
[root@test1 mysql]#
以下是xtrabackup處理，單標獨立表空間
配置文件主一：
[root@test1 ~]# cat /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# Settings user and group are ignored when systemd is used.
# If you need to run mysqld under a different user or group,
# customize your systemd unit file for mariadb according to the
# instructions in http://fedoraproject.org/wiki/Systemd
server-id = 330
log-bin = on
binlog_format=row
innodb_file_per_table = 1
[mysqld_safe]
log-error=/var/log/mariadb/mariadb.log
pid-file=/var/run/mariadb/mariadb.pid
#
# include all files from the config directory
#
!includedir /etc/my.cnf.d
[root@test1 ~]#
配置文件主二：
[root@test2 ~]# cat /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# Settings user and group are ignored when systemd is used.
# If you need to run mysqld under a different user or group,
# customize your systemd unit file for mariadb according to the
# instructions in http://fedoraproject.org/wiki/Systemd
server-id = 331
log-bin = on
binlog_format=row
innodb_file_per_table = 1
[mysqld_safe]
log-error=/var/log/mariadb/mariadb.log
pid-file=/var/run/mariadb/mariadb.pid
#
# include all files from the config directory
#
!includedir /etc/my.cnf.d
[root@test2 ~]#
配置文件slave多源：
[root@test3 ~]# cat /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# Settings user and group are ignored when systemd is used.
# If you need to run mysqld under a different user or group,
# customize your systemd unit file for mariadb according to the
# instructions in http://fedoraproject.org/wiki/Systemd
server-id = 430
log-bin = on
binlog_format=row
innodb_file_per_table = 1
master_info_repository=TABLE
relay_log_info_repository=TABLE
#ignore
replicate_wild_ignore_table= 'mysql.%'
replicate_wild_ignore_table= 'information_schema.%'
replicate_wild_ignore_table= 'performance_schema.%'
replicate_wild_ignore_table= 'sys.%'
replicate_wild_ignore_table= 'test.%'
#rewrite
rds3.replicate-rewrite-db = db1->db3
rds3.replicate-rewrite-db = db2->db3
[mysqld_safe]
log-error=/var/log/mariadb/mariadb.log
pid-file=/var/run/mariadb/mariadb.pid
#
# include all files from the config directory
#
!includedir /etc/my.cnf.d
[root@test3 ~]#
主一：操作
innobackupex --databases="db1" --host=127.0.0.1 /data/backups/
innobackupex --apply-log 2020-03-30_14-51-47/
cd 2020-03-30_14-51-47/db1/
scp test1.ibd 192.168.56.103:~
cat xtrabackup_binlog_info
主二：操作
innobackupex --databases="db2" --host=127.0.0.1 /data/backups/
innobackupex --apply-log 2020-03-30_14-45-03/
cd 2020-03-30_14-45-03/db2/
scp test2.ibd 192.168.56.103:~
cat xtrabackup_binlog_info
slave：操作
mysql> create database db3;
Query OK, 1 row affected (0.00 sec)
mysql> use db3
Database changed
mysql> create table test2(id int auto_increment primary key,addr varchar(32)) engine=innodb charset=utf8;
Query OK, 0 rows affected (0.02 sec)
mysql> CREATE TABLE `test1` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(32) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
Query OK, 0 rows affected (0.02 sec)
mysql> alter table test1 discard tablespace;
Query OK, 0 rows affected (0.00 sec)
mysql> alter table test2 discard tablespace;
Query OK, 0 rows affected (0.00 sec)
系統層面：
cd /var/lib/mysql/db3/
cp /root/*.ibd .
chown mysql.mysql test*
數據庫繼續操作：
mysql> alter table test1 import tablespace;
Query OK, 0 rows affected, 1 warning (0.03 sec)
mysql> alter table test2 import tablespace;
Query OK, 0 rows affected, 1 warning (0.03 sec)
mysql> select * from test1;
+----+------+
| id | name |
+----+------+
| 1 | xing |
| 2 | zhen |
+----+------+
2 rows in set (0.00 sec)
mysql> select * from test2;
+----+------+
| id | addr |
+----+------+
| 1 | jin |
| 2 | di |
+----+------+
2 rows in set (0.00 sec)
mysql> CHANGE MASTER TO MASTER_HOST='192.168.56.101',MASTER_USER='repl', MASTER_PASSWORD='123456',MASTER_LOG_FILE='on.000003', MASTER_LOG_POS=660 FOR CHANNEL 'Master_1';
CHANGE MASTER TO MASTER_HOST='192.168.56.102',MASTER_USER='repl', MASTER_PASSWORD='123456', MASTER_LOG_FILE='on.000002', MASTER_LOG_POS=657 FOR CHANNEL 'Master_2'; Query OK, 0 rows affected, 1 warning (0.03 sec)
mysql> CHANGE MASTER TO MASTER_HOST='192.168.56.102',MASTER_USER='repl', MASTER_PASSWORD='123456', MASTER_LOG_FILE='on.000002', MASTER_LOG_POS=657 FOR CHANNEL 'Master_2';
Query OK, 0 rows affected, 1 warning (0.02 sec)
mysql> start slave for CHANNEL 'Master_1';
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
mysql> start slave for CHANNEL 'Master_2';
Query OK, 0 rows affected (0.00 sec)
mysql> show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.56.101
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: on.000003
Read_Master_Log_Pos: 932
Relay_Log_File: test3-relay-bin-master_1.000002
Relay_Log_Pos: 585
Relay_Master_Log_File: on.000003
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table: mysql.%,information_schema.%,performance_schema.%,sys.%,test.%
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 932
Relay_Log_Space: 801
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 330
Master_UUID: 46569fb9-7236-11ea-b7a7-08002717ad31
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
Replicate_Rewrite_DB: (db1,db3),(db2,db3)
Channel_Name: master_1
Master_TLS_Version:
*************************** 2. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.56.102
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: on.000002
Read_Master_Log_Pos: 926
Relay_Log_File: test3-relay-bin-master_2.000002
Relay_Log_Pos: 582
Relay_Master_Log_File: on.000002
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table: mysql.%,information_schema.%,performance_schema.%,sys.%,test.%
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 926
Relay_Log_Space: 798
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 331
Master_UUID: 46569fb9-7236-11ea-b7a7-08002717ad32
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
Replicate_Rewrite_DB: (db1,db3),(db2,db3)
Channel_Name: master_2
Master_TLS_Version:
2 rows in set (0.00 sec)
主一 增加數據：
mysql> use db1
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
mysql> insert into test1(name) values('xing'),('zhen');
slave 驗證：
mysql> select * from test1;
+----+------+
| id | name |
+----+------+
| 1 | xing |
| 2 | zhen |
| 3 | xing |
| 4 | zhen |
+----+------+
4 rows in set (0.00 sec)
主二 增加數據：
mysql> 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
mysql>
mysql> insert into test2(addr) values('jin'),('di');
Query OK, 2 rows affected (0.00 sec)
Records: 2 Duplicates: 0 Warnings: 0
mysql> exit
Bye
slave 驗證：
mysql> select * from test2;
+----+------+
| id | addr |
+----+------+
| 1 | jin |
| 2 | di |
| 3 | jin |
| 4 | di |
+----+------+
4 rows in set (0.00 sec)
mysql>MySQL 多源數據合併到一個db的兩種方式（mysqldump 和xtrabackup ）
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