RDS is a managed service by AWS. Patching is performed infrequently. Sometimes, it takes a few months. AWS performs these updates during the maintenance period. If no maintenance period was specified during DB creation, it will be assigned a default period. When patching is performed, AWS may need to stop and reboot your RDS instance right after patches are applied. To avoid potential downtime, make sure your RDS instances are configured in a Multi-AZ environment. Patching will be applied on each RDS instance separately, therefore avoiding downtime for your application.
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I'm Ulysses, a Cloud Engineer at Cardinal Health based in Columbus, Ohio. I’m a certified AWS Solutions Architect. This website is my way of documenting the things I have learned in the Cloud. When off the grid, I enjoy riding my electric skateboard. I have surfed, snowboarded and played the saxophone in the past. I hope you will find this site helpful. It's powered by WordPress and hosted in AWS LightSail.