POC-GOLDEN-SIGNALS

Services

Service	Port
Grafana	:3000
Prometheus	:9090
App	:1313

Endpoints application

HTTP Method	URL	Description
GET	/	Root path
GET	/metrics	Prometheus metrics
GET	/counter	Increase counter
GET	/histogram	Increase histogram

Latency

sum(myapp_greeting_seconds_sum)/sum(myapp_greeting_seconds_count)  // Average
histogram_quantile(0.95, sum(rate(myapp_greeting_seconds_bucket[5m])) by (le)) // Percentile p95

Request rate

sum(rate(myapp_greeting_seconds_count{}[2m]))  // Including errors
rate(myapp_greeting_seconds_count{code="200"}[2m])  // Only 200 OK requests

Errors per second

sum(rate(myapp_greeting_seconds_count{}[2m]))  // Including errors
rate(myapp_greeting_seconds_count{code="200"}[2m])  // Only 200 OK requests

Saturation

100 - (avg by (instance) (irate(node_cpu_seconds_total{}[5m])) * 100)