Safe for Production
- Automated fail-over to on-demand within each AutoScaling Group
- Mature (4+ years old), production-grade software (>80% unit test coverage), used at hundreds of companies of all shapes and sizes
- Simple in operation, essentially just replaces EC2 instances with spot clones
- Best effort, keeps infrastructure as-is in case of most failures
- Configurable to keep some amount of on-demand instances in each ASG
- Automated traffic draining for instances behind ELBs
- Supports termination lifecycle hooks
- Can be enabled/suspended on a schedule