Last week there there was a short scheduled downtime for the system, and I've used the chance to upgrade the MySQL servers to a newer version. We've tested it for more than a month before deploying to production, so I wasn't worried about any potential problems.
The upgrade itself went smoothly and was complete in about less than 10 minutes. Speaking of which, this is one of the things I like in MySQL upgrades as opposed to SQL Server.
- Copy new version
- Shut down the server
- Rename directories
- Start server
- Run mysql_upgrade
- Restart server
All of the above usually takes about 2 minutes, and can be reverted quite easily, if you have backup for the data files. This is compared to a SQL Server upgrade, or even a Service Pack install which includes running an installer for what can be 20 minutes or more. Uninstalling is equality lengthy, though both …
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