re: Is the database working as expected? VIEW POST

FULL DISCUSSION
 
 

What Heroku's upgrade procedure essentially does it the following: create a follower, upgrade, switch over the follower as main DB

The downtime is required to disable processes that write to the main DB while the follower finalizes the sync and upgrades

 

This was our process, pretty straightforward.

devcenter.heroku.com/articles/upgr...

Still happy it all worked as expected.

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