MySQL is easy. You just open the database with the new version and the upgrade h... | Hacker News

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		neilwilson on June 21, 2023 \| parent \| context \| favorite \| on: Minimal downtime major PostgreSQL version upgrades... MySQL is easy. You just open the database with the new version and the upgrade happens automatically.

justinclift on June 21, 2023 [–]

When you do this, does it need to process the whole database before the server can start processing transactions, or is it more of a "upgrade in the background on the fly" kind of thing?

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