Terragrunt Performance: From 2m27s to Under 30s
When terragrunt plan on a single module takes over two minutes before showing a single AWS API call, something is wrong. This post covers two distinct performance problems I found and fixed in a large multi-account Terragrunt setup (~15 AWS accounts, 400+ modules). The Problem Running terragrunt plan on our EKS cluster module was taking 2 minutes 27 seconds just to start. With debug logging enabled, the culprit was clear: ...