MySQL에서 데이터베이스 사이즈 확인하기

SQL에서 확인하는 방법

SELECT  table_schema , SUM(data_length+index_length) /1024 /1024 as MB  FROM information_schema.tables GROUP BY table_schema ORDER BY SUM(data_length+index_length) DESC

결과

+--------------------+-------------+

| table_schema       | MB          |

+--------------------+-------------+

| foo                | 21.95312500 |

| footest            |  8.41354179 |

| mysql              |  0.54660702 |

| kakeibo            |  0.31250000 |

| information_schema |  0.00878906 |

| hoge               |  0.00460625 |

| performance_schema |  0.00000000 |

+--------------------+-------------+

du 커맨드로 확인하는 방법

# du /var/lib/mysql/* -s | sort -nr

43056   /var/lib/mysql/ibdata1

9440    /var/lib/mysql/footest

5132    /var/lib/mysql/ib_logfile1

5132    /var/lib/mysql/ib_logfile0

932     /var/lib/mysql/mysql

632     /var/lib/mysql/foo

212     /var/lib/mysql/performance_schema

48      /var/lib/mysql/hoge

44      /var/lib/mysql/kakeibo

4       /var/lib/mysql/mysql_upgrade_info

0       /var/lib/mysql/mysql.sock