Glossary term
What is instance refresh (Auto Scaling instance refresh)?
instance refresh stands for Auto Scaling instance refresh.
Rolls every server in a group onto a new version a few at a time, waiting for health checks, so deploys cause no downtime.
Learn it properly · DevOpsLesson 12: ALB and Auto Scaling: Scaling to 1000+ Concurrent UsersOne server becomes many. Health checks, target groups, and servers that appear when traffic spikes and vanish when it drops.