$ which mysqld /usr/sbin/mysqld $ /usr/sbin/mysqld --verbose --help | grep -A 1 "Default options" Default options are read from the following files in the given order: /etc/mysql/my.cnf ~/.my.cnf /usr/etc/my.cnf
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strace mysqld原文：https://www.cnblogs.com/qinqiu/p/12875047.html