MySQL log of error_log
https://blog.csdn.net/hbmovie/article/details/80402027
mariadb set log_error error log and the log file location change
https://stackoverflow.com/questions/26471316/mariadb-error-log-configuration/26528476
MySQL log of error_log
https://blog.csdn.net/hbmovie/article/details/80402027
https://stackoverflow.com/questions/26471316/mariadb-error-log-configuration/26528476