MySQL 5.7 复制的过滤参数

小鱼儿 2024-04-18 01:04 108阅读 0赞

**1、库级过滤参数**  
  
 \--binlog-do-db=db\_name Master节点记录二进制日志的库  
  
 \--binlog-ignore-db=db\_name Master节点不记录二进制日志的库  
  
 \--replicate-do-db=db\_name Slave节点应用日志的库  
  
 \--replicate-ignore-db=db\_name Slave节点不应用日志的库  
  
**2、表级过滤参数**  
  
 \--replicate-do-table=db\_name.tbl\_name Slave节点执行指定表的修改事件  
  
 \--replicate-wild-do-table=db\_name.tbl\_name Slave节点执行正则中含有指定表的修改事件  
  
 \--replicate-ignore-table=db\_name.tbl\_name Slave节点不执行指定表的修改事件  
  
 \--replicate-wild-ignore-table=db\_name.tbl\_name Slave节点不执行正则中含有指定表的修改事件  
  
**MySQL里面有启动参数、系统参数，启动参数通过show variables无法查询到，可以在mysqld的选项中查到**  
例如关于二进制日志有Startup Options Used with Binary Logging、System Variables Used with Binary Logging两种参数  
 上面所说的复制过滤参数均为启动参数  
  
 设置参数  
 \[root@localhost log\]\# mysqld --verbose --help > 02.txt  
 \[root@localhost log\]\# vim 02.txt  
 ..  
   --binlog-do-db=name Tells the master it should log updates for the specified  
                       database, and exclude all others not explicitly  
                       mentioned.  
 ..  
  --binlog-ignore-db=name  
                      Tells the master that updates to the given database  
                      should not be logged to the binary log.  
..  
  --replicate-do-table=name  
                      Tells the slave thread to restrict replication to the  
                      specified table. To specify more than one table, use the  
                      directive multiple times, once for each table. This will  
                      work for cross-database updates, in contrast to  
                      replicate-do-db.  
 \[root@localhost log\]\# vim /etc/my.cnf  
 ..  
 \# log  
 server-id = 10000  
 log-bin = /log/binlog/mysql-bin  
 binlog\_format = MIXED  
 binlog-do-db = test  
  
启动数据库后，查看参数  
mysql> show master status;  
\+------------------+----------+--------------+------------------+-------------------+  
| File             | Position |  **Binlog\_Do\_DB**  |  Binlog\_Ignore\_DB  | Executed\_Gtid\_Set |  
\+------------------+----------+--------------+------------------+-------------------+  
| mysql-bin.000009 |      120 |  test          |                  |                   |  
\+------------------+----------+--------------+------------------+-------------------+  
1 row in set (0.03 sec)

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