配置master數據庫:mysql
server-id=1sql
port=3306數據庫
log-bin=master-bin
binlog-do-db=test
log-bin-index=master-bin.index服務器
basedir="C:/Program Files (x86)/MySQL/mysql-5.7.15-winx64/"ide
datadir="C:/Program Files (x86)/MySQL/mysql-5.7.15-winx64/data/"測試
注意:server-id變量表示該節點在集羣內的惟一表示,每一個節點必須使用不一樣的server-id來區分;port是要用來區分本地雙數據庫時的端口。log-bin:將服務器設置爲master,須要確保該服務器有一個活動的二進制日誌(binary log),該日誌上保留了服務器上的全部改變,而且這些改變能夠在slave上被從新執行;binlog-do-db=test :配置你要複製的數據庫名稱;spa
搞定,執行net start mysql啓動服務;.net
在master上創建一個只作複製用戶(當你不想複製的時候,直接刪除就能夠,若是將全部用戶都賦予複製的權限,很差管理)日誌
create user user_slave;code
grant replication slave on *.* to user_slave identified by '123456';//複製帳號爲user_slave,密碼爲123456;
flush privileges;//刷新用戶的權限,不刷新的有可能出現connect不上的錯誤哦:Slave I/O: error connecting to master 'user_slave@localhost:3306' - retry-time: 60 retries: 1, Error_code: 1045;
執行如下show master status \G;
+-------------------------+----------+
| File | Position |
+-------------------------+----------+
| mysql-bin.000001 | 797|
+-------------------------+----------+
配置slave數據庫
server-id=2 //這個節點很重要,不能與主數據庫的節點保持一致
port=3307 //端口號必須區分出來
relay-log = slave-relay-bin
relay-log-index = slave-relay-bin.index
replicate-do-db=test //配置複製數據庫,與master配置的匹配就好
basedir="C:/Program Files (x86)/MySQL/mysql-5.7.15-winx64-1/"
datadir="C:/Program Files (x86)/MySQL/mysql-5.7.15-winx64-1/data/"
進入bin目錄,初始化數據庫:mysqld --initialize-insecure;//不帶密碼的root
安裝服務:mysqld --install myslavesql;
成功後 net start myslavesql;
mysql -uroot -h127.0.0.1 -p登錄服務器
執行:change master to master_host='127.0.0.1',master_user='user_slave',master_password='123456',master_log_file='mysql-bin.000001',master_log_pos=797 //這裏的log_file 與master上執行show master status結果的file要一致,log_pos 與Position一致;
而後要start slave;
執行:show slave status\G;
*************************** 1. row ***************************
Slave_IO_State:
Master_Host: 127.0.0.1
Master_User: user_slave
Master_Port: 3306
Connect_Retry: 60
Master_Log_File:
Read_Master_Log_Pos: 4
Relay_Log_File: master-bin.000001
Relay_Log_Pos: 4
Relay_Master_Log_File:
Slave_IO_Running: Yes # 必須爲Yes,若是出現no或者connecting的話,本身百度找緣由吧~~反正我是都出現。no是由於你沒有start slave;connecting的話狀況略微複雜一點點~可是我用刷新權限解決的問題,不過也有可能會有其餘狀況出現。
Slave_SQL_Running: Yes # 必須爲Yes,出現no說明你沒有啓動slave;
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: 0
Relay_Log_Space: 797
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: NULL
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: 0
Master_UUID:
Master_Info_File: /mydata/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State:
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:
Channel_Name:
Master_TLS_Version:
執行測試:
登錄master服務器,好比執行use test;insert into t_user value(1,'username','nickname','pssword');再看看slave數據庫是否也插入了這樣的一條數據~~反正我是有的啦~~哈哈哈