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Migration of MySQL databases to cloud databases
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Migration of MySQL databases to cloud databases

You can migrate data from your MySQL database to cloud databases:

  1. Create SQL dump.
  2. Restore database from SQL dump.

Only InnoDB is supported.

For your information

Before migrating, make sure that the MySQL DBMS versions match. We do not guarantee portability between different versions. See official documentation for details.

Create SQL dump

Create an SQL dump of the database using the mysqldump utility:

mysqldump --user=<user_name> {
--password=<password> {
--host=<host> {
--port=<port> {
--set-gtid-purged=off {
--no-tablespaces {
--single-transaction <database_name> > dump.sql

Specify:

  • <user_name> is the name of the database user in the source;
  • <password> — database user password;
  • <host> — DNS or IP address of the node;
  • <port> — port to connect to the database;
  • --set-gtid-purged=off — The key indicates that replication based on global GTIDs is not used;
  • --no-tablespaces — cancel the addition of service information to the dump that requires additional permissions to access. This information does not affect user data and can be excluded from the dump;
  • --single-transaction — create SQL dump as a single transaction;
  • <database_name> is the name of the database.

Restore database from SQL dump

Restore the database from SQL dump using the mysql utility:

mysql --user=<user_name> \
--password=<password> \
--host=<host> \
--port=6033 <database_name> < dump.sql

Specify:

  • <user_name> is the username of the cloud database;
  • <password> — database user password;
  • <host> — DNS or IP address of the node;
  • <database_name> is the name of the database.

If you are using SSL, set the optional parameters --ssl-ca and --ssl-mode:

mysql --user=<user_name> \
--password=<password> \
--host=<host> \
--port=6033 \
--ssl-ca=~/.mysql/root.crt \
--ssl-mode=required <database_name> < dump.sql

Specify:

  • <user_name> is the username of the cloud database;
  • <password> — database user password;
  • <host> — DNS or IP address of the node;
  • <database_name> is the name of the database.