Part 1 – https://www.datadoghq.com/blog/top-elb-health-and-performance-metrics
- Request count
- Surge queue length and spillover count
- ELB 5xx errors
- Backend instances health status
- Backend latency
Part 2 – https://www.datadoghq.com/blog/how-to-collect-aws-elb-metrics
Part 3 – https://www.datadoghq.com/blog/monitor-elb-performance-with-datadog