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這篇文章主要介紹了 mysql 5.7 如何實現多主一從的多源復制，具有一定借鑒價值，感興趣的朋友可以參考下，希望大家閱讀完這篇文章之后大有收獲，下面讓丸趣 TV 小編帶著大家一起了解一下。
主服務器創建用戶
主 1
多源同步參數
#multi replication
master_info_repository=TABLE
relay_log_info_repository=TABLE
開啟 GTID
[mysqld]
#GTID parameter
log-slave-updates=true
gtid-mode=on
enforce-gtid-consistency=true
report-port=3306
report-host=192.168.56.212
master-info-repository=TABLE
relay-log-info-repository=TABLE
sync-master-info=1
slave-parallel-workers=10
binlog-checksum=CRC32
master-verify-checksum=1
slave-sql-verify-checksum=1
binlog-rows-query-log_events=1
[mysql@ray ~]$ /usr/local/mysql/bin/mysql -uroot -p123456 -S /data/3306/soket/mysql.sock
mysql GRANT REPLICATION SLAVE ON *.* TO rep @ % IDENTIFIED BY 123456
Query OK, 0 rows affected (0.00 sec)
mysql flush privileges;
Query OK, 0 rows affected (0.05 sec)
主 2
多源同步參數
#multi replication
master_info_repository=TABLE
relay_log_info_repository=TABLE
開啟 GTID
[mysqld]
#GTID parameter
log-slave-updates=true
gtid-mode=on
enforce-gtid-consistency=true
report-port=3307
report-host=192.168.56.212
master-info-repository=TABLE
relay-log-info-repository=TABLE
sync-master-info=1
slave-parallel-workers=10
binlog-checksum=CRC32
master-verify-checksum=1
slave-sql-verify-checksum=1
binlog-rows-query-log_events=1
[mysql@ray ~]$ /usr/local/mysql/bin/mysql -uroot -p123456 -S /data/3307/soket/mysql.sock
mysql GRANT REPLICATION SLAVE ON *.* TO rep @ % IDENTIFIED BY 123456
Query OK, 0 rows affected (0.00 sec)
mysql flush privileges;
Query OK, 0 rows affected (0.05 sec)
從服務器連接主服務器
多源同步參數
#multi replication
master_info_repository=TABLE
relay_log_info_repository=TABLE
開啟 GTID
[mysqld]
#GTID parameter
log-slave-updates=true
gtid-mode=on
enforce-gtid-consistency=true
report-port=3308
report-host=192.168.56.212
master-info-repository=TABLE
relay-log-info-repository=TABLE
sync-master-info=1
slave-parallel-workers=10
binlog-checksum=CRC32
master-verify-checksum=1
slave-sql-verify-checksum=1
binlog-rows-query-log_events=1
連接主 1：
change master to
master_host= 192.168.56.212 ,
master_user= rep ,
master_password= 123456 ,
master_port=3306,
master_auto_position = 1
for channel m1
連接主 2
change master to
master_host= 192.168.56.212 ,
master_user= rep ,
master_password= 123456 ,
master_port=3307,
master_auto_position = 1
for channel m2
啟動 slave 進程
mysql start slave;
查看復印進程
mysql show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.56.212
Master_User: rep
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: ray-bin.000005
Read_Master_Log_Pos: 194
Relay_Log_File: localhost-relay-bin-m1.000004
Relay_Log_Pos: 403
Relay_Master_Log_File: ray-bin.000005
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:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 194
Relay_Log_Space: 1260
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: 1
Master_UUID: 97e8847a-ffdf-11e6-87ed-08002736c224
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: 97e8847a-ffdf-11e6-87ed-08002736c224:1-2
Executed_Gtid_Set: 517e04ac-ffe3-11e6-a7ea-08002736c224:1-2,
97e8847a-ffdf-11e6-87ed-08002736c224:1-2
Auto_Position: 1
Replicate_Rewrite_DB:
Channel_Name: m1
Master_TLS_Version:
*************************** 2. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.56.212
Master_User: rep
Master_Port: 3307
Connect_Retry: 60
Master_Log_File: ray-bin.000003
Read_Master_Log_Pos: 194
Relay_Log_File: localhost-relay-bin-m2.000005
Relay_Log_Pos: 403
Relay_Master_Log_File: ray-bin.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:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 194
Relay_Log_Space: 1083
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: 2
Master_UUID: 517e04ac-ffe3-11e6-a7ea-08002736c224
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: 517e04ac-ffe3-11e6-a7ea-08002736c224:1-2
Executed_Gtid_Set: 517e04ac-ffe3-11e6-a7ea-08002736c224:1-2,
97e8847a-ffdf-11e6-87ed-08002736c224:1-2
Auto_Position: 1
Replicate_Rewrite_DB:
Channel_Name: m2
Master_TLS_Version:
2 rows in set (0.00 sec)
啟動和停止單獨 slave 進程
mysql start slave for channel m1
mysql stop slave for channel m1
mariaDB:
CHANGE MASTER m1 TO
MASTER_HOST= 192.168.56.91 ,
MASTER_USER= rep ,
MASTER_PASSWORD= 123456 ,
MASTER_PORT=3306,
MASTER_LOG_FILE= ray-bin.000007 ,
MASTER_LOG_POS=396;
mysql:
CHANGE MASTER TO
MASTER_HOST= 192.168.56.91 ,
MASTER_USER= rep ,
MASTER_PASSWORD= 123456 ,
MASTER_PORT=3306,
MASTER_LOG_FILE= ray-bin.000007 ,
MASTER_LOG_POS=396
for channel= m1
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