Briefing the recent encounter on a Replication issue with RDS MariaDB 10.2.
After the upgrade of replicas to MariaDB 10.2 on RDS, Once replication is stopped manually through “call mysql.rds_stop_replication;” or replication failed due to some error. Replication cannot be started back using “call mysql.rds_start_replication;” and there is no straightforward way or documented process to start the replication back. Also, most of the replication related RDS commands like skip errors etc will not work. This is due to the implementation of replication handling in RDS.
On Jan 5, 2018, RDS announced support for MariaDB 10.2. Release Notes From Amazon
To test the release we tried upgrading one of our read replicas used …[Read more]