prometheus grafana tutorial

Prometheus-Grafana-Tutorial

Environment

• KOTLIN, Spring 2.7.x
• Prometheus, Grafana with Docker
• Exporter
  • Spring Actuator, Micrometer

How to run

Spring Application, MySQL, Prometheus, Grafana Prometheus, Grafana Prometheus, and Grafana Datasource are also connected.

 > run.sh

1. Spring Application (Prometheus-Grafana-Tutorial)

LoadGenerator for load automatic load for causing GC

• Logic implementation for HEAP memory occupation
• Set the maximum memory to 128m

API for creating Database ROW

 POST http://localhost:8080/api/v1/redeemcode

• Redeemcode row insert of random amount

Actuator setting

• Actuator confirmation
  • http://127.0.0.1:8080/Actuator
• Prometheus Metric Collection URL with Micromanter
  • http://127.0.0.1:8080/Actuator/prometheus

2. PROMETHEUS

http: // localhost: 9090/

1. Status> Targets Checks Application Normal
2. Metric inquiry on the Graph tab
   • jvm_memory_used_bytes{job="prometheus-grafana-tutorial"}

3. Grafana

http: // Localhost: 3000/
Admin / Admin

Dashboard configuration

1. Wiki> Monitor Link
   • JSON IMPORT
2. Dashboard check

4. Others

Why did you set the DataSource URL to host.docker.internal rather than localhost

시행 착오 2 - 도커 컨테이너에서 localhost 를 쓰면 어떻게 될까? See the item