[MySQLFAQ] series-how to deploy master database with large data volume _ MySQL

[MySQLFAQ] series-how to deploy master databases with large data volumes from the slave database 1. initialize empty databases

2. start replication and ignore common errors.

# Slave-skip-errors = 1062

3. back up big tables one by one. when backing up large tables, you can export them in batches to facilitate concurrent import.

4. after all the data has been imported, wait until there is no replication delay. disable the ignore error option, restart, and officially enable external services.

Some inconsistent data will be gradually overwritten or deleted later.

Applicable to scenarios where high data consistency is not required and the data volume is relatively large, especially when a single table is large.