Trouble Shooting Potential Autoscaling Issues

Amazon EC2 Auto Scaling continuously launches and terminates Amazon EC2 instances.

• Resolve by changing
  • Disassociate the Amazon EC2 Auto Scaling group from the CodeDeploy deployment group or
  • the configuration of your Amazon EC2 Auto Scaling group as per current number of instances.

The CodeDeploy agent is unresponsive.

• The CodeDeploy agent might not be installed
• Resolve by moving initialization scripts into CodeDeploy application revision.

An Amazon EC2 instance in an Amazon EC2 Auto Scaling group reboots during a deployment.

• Deployment can fail if an Amazon EC2 instance is rebooted during a deployment or
• CodeDeploy agent is shut down while processing a deployment command.

Multiple application revisions are deployed simultaneously to the same Amazon EC2 instance in an Amazon EC2 Auto Scaling group.

• one of the deployments has scripts that run for more than a few minutes.
• Resolve by not deploying multiple application revisions to the same Amazon EC2 instances in an Amazon EC2 Auto Scaling group.