mozilla-releng/balrog

Upgrade to MySQL 8.0

jbuck opened this issue · 4 comments

jbuck commented

MySQL 5.7 is EOL October 2023 so we should start thinking about when to do this upgrade for Balrog.

jbuck commented

We've upgraded dev & stage to mysql 8.0.26 (the default CloudSQL version)

Based on testing with a replica, the production database upgrade should take around 17 minutes, during which the db will be intermittently available, which will affect both the admin and public facing apps.
Our take is that this is a short enough down time and we can do the upgrade in-place in production without taking extra steps to minimize impact on the public app (aus5.mozilla.org).
If we're agreed then we can either do it during evening ET hours as that seems to have least traffic, or during our business hours to more easily respond to any issues.
@rvandermeulen any opinions/thoughts on the above?

During the day when people are around seems like the safer option. This week would be good in general given that's a pretty quiet one in the release cycle.

jbuck commented

Production has been upgraded to use MySQL 8.0.26