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by homebrewer 529 days ago
It requires manual interventions because the upgrade process is basically dump + restore. MySQL and MariaDB upgrade between major versions automatically — you simply install the next version (or change the version tag in your container definition) and restart the server.

Usually it takes almost no time, altought might be just as slow as PG when major changes to the data format are introduced. The only example I can remember is 8.0 when oracle completely rewrote the data format (making things like atomic ddl possible).