MySQL to MariaDB Migration: What Even a Careful Switch Still Misses
The recent MariaDB Migrator announcement introduced a dedicated tool to help operators move workloads from MySQL to MariaDB, walking through four distinct modes for different cutover styles. Yet a follow-up post from the MariaDB blog warns that a careful migration can still miss critical pieces. For hosting buyers, sysadmins, and website owners running on VPS, cloud, or dedicated infrastructure, those gaps translate into real operational risk: broken replication, silent performance regressions, and plugin incompatibilities. This article uses the available research to outline what the migration tool does not automatically carry over, who is affected, and the practical checks you should perform before flipping traffic to a MariaDB backend. Why the MariaDB Migrator Doesn’t Guarantee a Clean Cutover The MariaDB Migrator was presented with four modes, suggesting it covers a range of scenarios from simple dump/restore to more orchestrated live transitions. However, the follow-up research ...