mysql
datafile 위치
show variables like 'datadir';
# Variable_name, Value
‘datadir’, ‘/var/lib/mysql/’
https://www.lesstif.com/pages/viewpage.action?pageId=17105786
MySQL 테이블 및 데이타베이스 크기 알아내기
SELECT TABLE_NAME AS 'Tables', round(((data_length + index_length) / 1024 / 1024), 2) 'Size in MB' FROM information_schema.TABLES WHERE table_schema = "wordpress" ORDER BY (data_length + index_length) DESC;