Browse incidents, troubleshooting guides, AI diagnostics, verified fixes and community discussions related to AWS.
## Environment AWS account, eu-west-1. Auto Scaling Group (ASG) using a Launch Template created from a Packer-built AMI. ASG configured for rolling updates with lifecycle hook 'autoscaling:EC2_INSTANCE_LAUNCHING' (timeout 3600s). Instances boot in p...
## Environment Terraform 1.2.9 with hashicorp/aws provider 3.63.0 managed via CI (GitHub Actions). Resources include aws_security_group and aws_instance with 'tags' block. Team runs 'terraform apply' in CI after every merge; PRs show terraform plan ...
## Environment Elasticsearch 7.10 cluster on AWS EC2: three data nodes (m5.large equivalents), each node has a single EBS volume mounted at /var/lib/elasticsearch with ext4 filesystem. cluster.routing.allocation.disk.threshold_enabled=true. Nodes ru...
## Environment AWS Application Load Balancer (ALB) frontend configured for TLS termination, target group is gRPC server (HTTP/2) on Fargate tasks. Previously used TLS policy supporting TLS1.2 & TLS1.3. After switching ALB listener to a custom policy...
## Environment EKS cluster: Kubernetes 1.23 control plane, AWS NLB in front of nginx-ingress-controller Service (type=LoadBalancer) with proxy-protocol v2 enabled; several apps expose gRPC services via HTTP/2 through the ingress. ## Symptoms Exter...
## Environment Production AWS environment: ECS on EC2-backed Auto Scaling Group with CodeDeploy blue/green deployment. Lifecycle hook configured to run a bootstrap script that registers instance with internal monitoring and pulls secrets from SSM Pa...
## Environment Node.js Lambda in a VPC connecting to PostgreSQL through RDS Proxy. ## What happens Connection timeouts occur only during traffic bursts and disappear after several minutes. ## What I have tried Raised Lambda timeout and database ...