mysql主从同步（MySQL master slave synchronization）.docVIP

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mysql主从同步（MySQL master slave synchronization）.doc

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mysql主从同步（MySQL master slave synchronization）

mysql主从同步（MySQL master slave synchronization） Linux under the MySQL master slave synchronization A test environment: The query version number command: #mysql -V or rpm -qa |grep MySQL (written by MySQL size package information decision) Suggestion: try to use the same version of new configuration version of MySQL Main: IP 192.168.52.11 From IP to 192.168.52.22 Two, the main operating base MySQL installation package, different versions, the database path and use commands are different, but the difference is not large, this version of the data stored in the database configuration file path path /var/lib/mysql, /usr/share/mysql, /usr/bin database command According to the machine memory copy the corresponding configuration files, if you compare the application of database to choose which files can then modify the parameters. The primary library server /usr/share/mysql directory of the CNF file #ll /usr/share/mysql/*.cnf The my-small.cnf memory is less than or equal to 64M, providing little database service The my-medium.cnf memory between 32M - 64M and use with other services, such as web My-large.cnf memory 512M provides database service My-huge.cnf memory is 1G to 2G, mainly to provide database services My-innodb-heavy-4G.cnf memory is 4G, mainly to provide large load database service (general server using this) [1] to copy the file to /etc and renamed my.cnf #cp /usr/share/mysql/my-innodb-heavy-4G.cnf (/etc/my.cnf / / because I use the server to do so with this command) and \ compulsory coverage [2] to enter the mysql, create a radius database (if the master-slave MySQL have the same database table structure also can not create the same, with show databases; see the MySQL Library) Mysqlcreate database radius; To create a synchronized user, specified only in the 192.168.1.7 log Mysqlgrant replication slave on toradius@192.168.52.22identified by100100; [3] modify my.cnf #vi /etc/my.cnf My.cnf more content, here only introduce some important parameters Server-id = 1 thi