- [[Load Testing]] [[Performance Testing]] [[AWS]] - One of [[Amazon EC2 Features]] is [[Amazon EC2 Auto Scaling]], which gives you the option to dynamically increase or decrease the instances running as needed. When creating instances for use as [[Load generators]] in [[Load Testing]], it's best to create [[EC2 Auto Scaling Groups (ASG)]], which let you set the limits and rules for how instances are automatically added or removed. - Here are some things to try if the [[Amazon EC2]] instances you're using for your load test are not starting as expected. - Note that some of these logs are only available __while the instance is running__ and will not be saved after termination. - [[Check scaling activity log]] - [[Check stack events]] -