我在CentOS 7上创建MySQL主从复制,下面是服务器的配置文件详细信息:
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.2.0/knockout-min.js"></script>
<h2>Players</h2>
<ul data-bind="foreach: players">
<li>
<h3 data-bind="text: name"></h3>
<h4 data-bind="text: healthWarning"></h4>
<input disabled type="range" min="0" data-bind="value: curHp, attr: { max: hp }">
<input type="number" min="-10" max="10" data-bind="value: subtractValue">
<button data-bind="click: addHp">update HP</button>
<span data-bind="text: hpPercentage() + '%'"></span>
</li>
</ul>
[mysqld]
server-id=1
log-bin=mysql-bin
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
symbolic-links=0
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
下面给出了数据库详细信息:
[mysqld]
server-id=2
replicate-wild-do-table=db1%.%
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
symbolic-links=0
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
create database db1;
create table db1.dbtb1(name varchar(100));
如您所见,服务器上的数据库名称不同,我将以下语句用于从服务器进行复制。
create database db1slave;
create table db1slave.dbtb1(name varchar(100));
但是当我尝试将数据插入主数据库服务器时,我得到了以下错误或从服务器状态:
replicate-wild-do-table=db1%.%
从属服务器状态:
Error 'Table 'db1.dbtb1' doesn't exist' on query. Default database: ''. Query: 'insert into db1.dbtb1 values ('Punu')'
如果我将采用相同的数据库名称,它将正常工作。但根据我的要求,我不能在服务器上放置数据库名称相同。
简单地说,当主服务器数据库中的表“dbtb1”更新后,它将被复制到从数据库表中。
我还在slave my.cnf文件中尝试以下选项:
1
Slave_IO_State: Waiting for master to send event
Master_Host: IP address
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000003
Read_Master_Log_Pos: 971
Relay_Log_File: mysqld-relay-bin.000002
Relay_Log_Pos: 283
Relay_Master_Log_File: mysql-bin.000003
Slave_IO_Running: Yes
Slave_SQL_Running: No
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table: db1%.%
Replicate_Wild_Ignore_Table:
Last_Errno: 1146
Last_Error: Error 'Table 'db1.dbtb1' doesn't exist' on query. Default database: ''. Query: 'insert into db1.dbtb1 values ('Punu')'
Skip_Counter: 0
Exec_Master_Log_Pos: 760
Relay_Log_Space: 668
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: 1146
Last_SQL_Error: Error 'Table 'db1.dbtb1' doesn't exist' on query. Default database: ''. Query: 'insert into db1.dbtb1 values ('Punu')'
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1
Master_UUID: 2fc2ef76-c87a-11e6-ae22-000d3aa2da57
Master_Info_File: /var/lib/mysql/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: 161227 18:40:36
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
2
replicate-wild-do-table=db1%.dbtb1
如果我插入记录,则上述选项将正常工作,但在删除或更新记录时不会反映。
3
replicate-rewrite-db="db1->db1slave"
答案 0 :(得分:0)
您的选项 replicate-wild-do-table = db1%。%将复制所有模式中的所有表格,以 db1%开头,并复制所有表格以<强>%即可。所以它将复制所有表格。这是一个错误的配置。
使用 replicate-rewrite-db 选项进行配置。请阅读以下内容。
https://mariadb.com/resources/blog/multisource-replication-how-resolve-schema-name-conflicts