EC2 Service Discovery is very useful in the Prometheus configuration especially when the autoscale is used. However, some temporary or test servers which do not need to be monitored will be cause of unnecessary alerts. So, I added some settings to avoid it. For example, if I would like to eliminate instances which have …

When getting started to use AWS EKS for building Kubernetes clusters, we should consider the limitations of the number of IP addresses it depends on the instance size. Actually, I didn’t know about it because I just overlooked it on the official document. I know it was my mistake but it should be a blind spot for some …