MySQL 报错'Variable 'XXX' is a read only variable'怎么操作

小编给大家分享一下MySQL 报错'Variable 'XXX' is a read only variable'怎么办，希望大家阅读完这篇文章之后都有所收获，下面让我们一起去探讨吧！

设置参数时报错

mysql> set global secure_file_priv='/database/percona';

ERROR 1238 (HY000): Variable 'secure_file_priv' is a read only variable

报错原因：

参数为只读参数，需要在配置文件中更改该参数，之后重启数据库

[mysql@localhost percona]$ bin/mysqladmin -uroot -S /u01/mysql_data/mysql.sock shutdown -p

Enter password:

2017-03-13T10:38:21.340514Z mysqld_safe mysqld from pid file /u01/mysql_data/localhost.localdomain.pid ended

[1]+ Done                   bin/mysqld_safe --defaults-file=/u01/mysql_data/my.cnf

[mysql@localhost percona]$ vim /u01/mysql_data/my.cnf

[mysqld]

secure_file_priv='/database/percona'

[mysql@localhost percona]$ bin/mysqld_safe --defaults-file=/u01/mysql_data/my.cnf &

[1] 28543

[mysql@localhost percona]$ mysqld_safe Adding '/database/percona/lib/mysql/libjemalloc.so.1' to LD_PRELOAD for mysqld

2017-03-13T10:46:33.142327Z mysqld_safe Logging to '/u01/mysql_data/mysqld_error.log'.

2017-03-13T10:46:33.143853Z mysqld_safe Logging to '/u01/mysql_data/mysqld_error.log'.

2017-03-13T10:46:33.166624Z mysqld_safe Starting mysqld daemon with databases from /u01/mysql_data

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