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查看当前 MySQL 版本:
root@mysql 17:05: [(none)]> select @@version;
+------------+
| @@version |
+------------+
| 5.7.29-log |
+------------+
1 row in set (0.01 sec)
root@mysql 17:05: [(none)]>
目前为 5.7.29 计划升级为 5.7.32
首先从官网下载升级的二进制版本包上传到服务器:
[root@db01 opt]# ls
mysql-5.7.32-linux-glibc2.12-x86_64.tar.gz
[root@db01 opt]#
按照自己需求备份数据和配置文件:
数据比较重要稳妥起见可以先做一个备份。
配置MySQL以通过设置 innodb_fast_shutdown 为执行慢速关闭:
root@mysql 17:08: [(none)]> select @@innodb_fast_shutdown;
+------------------------+
| @@innodb_fast_shutdown |
+------------------------+
| 1 |
+------------------------+
1 row in set (0.01 sec)
root@mysql 17:08: [(none)]> SET GLOBAL innodb_fast_shutdown=0;
Query OK, 0 rows affected (0.00 sec)
停止 MySQL 服务:
mysqladmin -u root -p shutdown
解压下载的二进制安装包,覆盖原来的安装路径:
tar -zxvf mysql-5.7.32-linux-glibc2.12-x86_64.tar.gz
cp -frp mysql-5.7.32-linux-glibc2.12-x86_64/* /usr/local/mysql
使用现有的目录启动 MySQL 服务:
./mysqld_safe --defaults-file=/etc/my.cnf --datadir=/data/mysql57/data/ --user=mysql &
.运行 mysql_upgrade:
mysql_upgrade -u root -p [root@db01 bin]# mysql_upgrade -uroot -p Enter password: Checking if update is needed. Checking server version. Running queries to upgrade MySQL server. Checking system database. mysql.columns_priv OK mysql.db OK mysql.engine_cost OK mysql.event OK mysql.func OK mysql.general_log OK mysql.gtid_executed OK mysql.help_category OK mysql.help_keyword OK mysql.help_relation OK mysql.help_topic OK mysql.innodb_index_stats OK mysql.innodb_table_stats OK mysql.ndb_binlog_index OK mysql.plugin OK mysql.proc OK mysql.procs_priv OK mysql.proxies_priv OK mysql.server_cost OK mysql.servers OK mysql.slave_master_info OK mysql.slave_relay_log_info OK mysql.slave_worker_info OK mysql.slow_log OK mysql.tables_priv OK mysql.time_zone OK mysql.time_zone_leap_second OK mysql.time_zone_name OK mysql.time_zone_transition OK mysql.time_zone_transition_type OK mysql.user OK The sys schema is already up to date (version 1.5.2). Checking databases. new_data.auth_group OK new_data.auth_group_permissions OK new_data.auth_permission OK new_data.cate OK new_data.collection OK new_data.comment OK new_data.django_admin_log OK new_data.django_content_type OK new_data.django_migrations OK new_data.django_session OK new_data.new OK new_data.new_correlation OK new_data.tb_users OK new_data.tb_users_groups OK new_data.tb_users_user_permissions OK sys.sys_config OK Upgrade process completed successfully. Checking if update is needed.
关闭 MySQL 重新启动:
mysqladmin -u root -p shutdown
./mysqld_safe --defaults-file=/etc/my.cnf --user=mysql &
登陆到 MySQL 查询版本:
root@mysql 17:34: [(none)]> select @@version;
+------------+
| @@version |
+------------+
| 5.7.32-log |
+------------+
1 row in set (0.00 sec)
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