mysql升级
2015-12-03 20:29
627 查看
演示以及5.5升级到5.6
当前数据库信息
1下载mysql5.6安装包并配置mysql5.6安装包安装路径
2关闭mysql5.5的实例,修改部分参数,使用mysql5.6软件启动
3执行mysql5.6路径下mysql_upgrade脚本
4验证是否成功升级
当前数据库信息
mysql> status; -------------- mysql Ver 14.14 Distrib 5.5.46, for Linux (x86_64) using readline 5.1 Connection id: 2 Current database: Current user: root@localhost SSL: Not in use Current pager: stdout Using outfile: '' Using delimiter: ; Server version: 5.5.46-log Source distribution Protocol version: 10 Connection: Localhost via UNIX socket Server characterset: utf8 Db characterset: utf8 Client characterset: utf8 Conn. characterset: utf8 UNIX socket: /data/mysql/mysql.sock Uptime: 37 min 18 sec mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | db1 | | log | | mysql | | performance_schema | | test | | tpcc | +--------------------+ 7 rows in set (0.01 sec)
1下载mysql5.6安装包并配置mysql5.6安装包安装路径
5.6安装包 [root@miles mysql5.6.27]# pwd /usr/local/mysql5.6.27 [root@miles mysql5.6.27]# ll total 172 drwxr-xr-x. 2 root root 4096 Dec 1 19:20 bin -rw-r--r--. 1 7161 wheel 17987 Sep 18 22:24 COPYING drwxr-xr-x. 3 root root 4096 Dec 1 19:20 data drwxr-xr-x. 2 root root 4096 Dec 1 19:20 docs drwxr-xr-x. 3 root root 4096 Dec 1 19:20 include -rw-r--r--. 1 7161 wheel 105656 Sep 18 22:24 INSTALL-BINARY drwxr-xr-x. 3 root root 4096 Dec 1 19:20 lib drwxr-xr-x. 4 root root 4096 Dec 1 19:20 man drwxr-xr-x. 10 root root 4096 Dec 1 19:21 mysql-test -rw-r--r--. 1 7161 wheel 2496 Sep 18 22:24 README drwxr-xr-x. 2 root root 4096 Dec 1 19:20 scripts drwxr-xr-x. 28 root root 4096 Dec 1 19:20 share drwxr-xr-x. 4 root root 4096 Dec 1 19:20 sql-bench drwxr-xr-x. 2 root root 4096 Dec 1 19:20 support-files
2关闭mysql5.5的实例,修改部分参数,使用mysql5.6软件启动
[root@miles mysql5.6.27]# ps -ef | grep mysql root 1474 1 0 19:04 ? 00:00:00 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/data/mysql --pid-file=/data/mysql/miles.pid mysql 1891 1474 0 19:04 ? 00:00:00 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/data/mysql --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --log-error=/data/mysql/log/error.log --pid-file=/data/mysql/miles.pid --socket=/data/mysql/mysql.sock [root@miles mysql5.6.27]# mysqladmin -uroot -p --socket=/data/mysql/mysql.sock shutdown 修改参数文件 [root@miles mysql5.6.27]# vi /etc/my.cnf 把文件中指向5.5的位置指向5.6的 修改环境变量 [root@miles mysql5.6.27]# vi /etc/profile export MYSQL_HOME=/usr/local/mysql5.6.27 export PATH=$MYSQL_HOME/bin:$PATH export C_INCLUDE_PATH=$MYSQL_HOME/include export LIBDIR=/usr/local/lib export LD_LIBRARY_PATH=/usr/local/lib:$MYSQL_HOME/lib export LD_RUN_PATH=/usr/local/lib [root@miles mysql5.6.27]# source /etc/profile 使用5.6启动 [root@miles mysql5.6.27]# /usr/local/mysql5.6.27/bin/mysqld_safe --defaults-file=/etc/my.cnf & [root@miles mysql5.6.27]# ps -ef |grep mysql root 3607 3093 0 20:17 pts/1 00:00:00 /bin/sh /usr/local/mysql5.6.27/bin/mysqld_safe --defaults-file=/etc/my.cnf mysql 3889 3607 28 20:17 pts/1 00:00:02 /usr/local/mysql5.6.27/bin/mysqld --defaults-file=/etc/my.cnf --basedir=/usr/local/mysql5.6.27 --datadir=/data/mysql --plugin-dir=/usr/local/mysql5.6.27/lib/plugin --user=mysql --log-error=/data/mysql/log/error.log --pid-file=/data/mysql/mysqld.pid --socket=/data/mysql/mysql.sock [root@miles mysql5.6.27]# mysql -uroot -p --socket=/data/mysql/mysql.sock mysql> status; -------------- mysql Ver 14.14 Distrib 5.6.27, for linux-glibc2.5 (x86_64) using EditLine wrapper Connection id: 1 Current database: Current user: root@localhost SSL: Not in use Current pager: stdout Using outfile: '' Using delimiter: ; Server version: 5.6.27-log MySQL Community Server (GPL) Protocol version: 10 Connection: Localhost via UNIX socket Server characterset: latin1 Db characterset: latin1 Client characterset: utf8 Conn. characterset: utf8 UNIX socket: /data/mysql/mysql.sock Uptime: 1 min 34 sec
3执行mysql5.6路径下mysql_upgrade脚本
指令的说明 [root@miles mysql5.6.27]# /usr/local/mysql5.6.27/bin/mysql_upgrade --help -s, --upgrade-system-tables Only upgrade the system tables do not try to upgrade the data. 如果数据库数据量较大,不加-s的话升级时间可能较长 [root@miles mysql5.6.27]# /usr/local/mysql5.6.27/bin/mysql_upgrade -uroot -p --socket=/data/mysql/mysql.sock -s
4验证是否成功升级
[root@miles mysql5.6.27]# mysql -uroot -p --socket=/data/mysql/mysql.sock mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | db1 | | log | | mysql | | performance_schema | | test | | tpcc | +--------------------+ 7 rows in set (0.00 sec) mysql> status; -------------- mysql Ver 14.14 Distrib 5.6.27, for linux-glibc2.5 (x86_64) using EditLine wrapper Connection id: 7 Current database: Current user: root@localhost SSL: Not in use Current pager: stdout Using outfile: '' Using delimiter: ; Server version: 5.6.27-log MySQL Community Server (GPL) Protocol version: 10 Connection: Localhost via UNIX socket Server characterset: latin1 Db characterset: latin1 Client characterset: utf8 Conn. characterset: utf8 UNIX socket: /data/mysql/mysql.sock Uptime: 10 min 47 sec
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