i need help, how upgrade RDS from 5.7 to 8.0?

This article could help you to understand the steps to take in order to upgrade: https://repost.aws/knowledge-center/rds-mysql-version-upgrade

Hi,

You may be interested in this announcement:

https://aws.amazon.com/about-aws/whats-new/2023/11/amazon-rds-mysql-upgrading-mysql-5-7-snapshots-mysql-8-0/

This article is out of the RDS context but contains interesting information: https://genexdbs.com/how-to-upgrade-from-mysql-rds-5-7-to-8-0/

Best,

Didier

I'd recommend using blue-green-deployments to upgrade:

https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/blue-green-deployments.html