A Global Transaction Identifier (GTID) is a unique identifier created and associated with each transaction committed to a MySQL database. GTIDs are now supported by Amazon Aurora with MySQL 5.7 compatibility, allowing simpler and less error-prone database replication.

from What’s New https://aws.amazon.com/about-aws/whats-new/2019/03/amazon-aurora-with-mysql-5-7-compatibility-supports-gtid-based-replication/

Categories: What's new