Tag Archives: MySQL

Replicate from GTID disabled source to GTID enabled replica directly

MySQL 8.0.23 introduces a new feature that makes replication possible from a source server that has been configured without Global Transaction Identifiers (GTIDs) to a replica server configured with GTIDs. This can be achieved by configuring replication channels to use the parameter ASSIGN_GTIDS_TO_ANONYMOUS_TRANSACTIONS with the CHANGE REPLICATION SOURCE command.…

Asynchronous Replication Connection Failover – Automatic source list

In our last blog post about the Automatic Asynchronous Replication Connection Failover feature which was released in MySQL 8.0.22, we showed you its usage and benefits. We now present here additional changes we added in MySQL 8.0.23 to further enhance this feature by making the receiver aware of the source’s group membership changes.…

MySQL 8.0.22 Replication Enhancements

MySQL 8.0.22 was released roughly a week ago. It includes some nice additions to replication that we would like to call out. Here they are:

  • Automatic Asynchronous Replication Connection Failover (WL#12649). This work, by Hemant Dangi, implements a mechanism in asynchronous replication that makes the replica automatically try to re-establish an asynchronous replication connection to another replication source, in case the current connection gets interrupted;
  • New terminology for replica related statements (WL#14171).