[mysqld_safe]的意义是什么?[mysqld]不是已经启动MySQL了吗?为什么日志错误和pid文件设置在它之后?[mysqld]# If you need torun mysqld under different user or group,
# customize your systemd unit file for mysq
'.
2016-07-08T18:37:51.6NZ mysqld_safe Starting mysqld daemon with databases from /usr/local/var/mysql/usr/local/bin/mysqld_safe: line 135: /usr/local/var/mysql/Yorks-MacBook-Pro.local.err: Permission de