MySQL 8.0 : Backup with mysqldump2020/09/02 |
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For Backup and Restore MySQL Data, it's possible to run with [mysqldump].
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| [1] | Run [mysqldump] to take dump data of MySQL. |
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# lock all tables and dump all data in MySQL # during dumping data, reading is also locked, so acutually impossible to use Databases root@dlp:~# mysqldump --lock-all-tables --all-databases --events > mysql_dump.sql # dump all data without locking but with transaction # ensured data integrity by [--single-transaction] option root@dlp:~# mysqldump --single-transaction --all-databases --events > mysql_dump.sql # dump specific database root@dlp:~# mysqldump test_database --single-transaction --events > mysql_dump.sql |
| [2] | For restoring data from backup on another host, run like follows. Before restoring, transfer dump data to the target host with [rsync] or [scp] and so on. |
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# for all dumped data, simply import a file root@node01:~# mysql < mysql_dump.sql # for dumped data with specific database, # create a empty database first with the same DB name and next, import a file root@node01:~# mysql test_database < mysql_dump.sql |
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