09.1-metrics-intro.md

<< back to main index

Lab 9.1: Metrics - intro

Overview

Learn Metrics library, Graphite, Grafana

Depends On

Run time

20 mins

Step 1: Get 'learning-metrics' repository

  $  cd
  $  git clone https://github.com/elephantscale/learning-metrics

Step 2: Import the project into Eclipse

Use 'Import -> Existing MVN projects'

Step 3: Code walkthrough and demo

Instructor will explain the following files and do a demo.

• src/main/java/com/elephantscale/learn_metrics/MyMetricsRegistry.java
• src/main/java/com/elephantscale/learn_metrics/MetricsDemo.java

Instructor instructions

• Explain metrics collection process
  • instrumenting application
  • Collectors : Graphite
  • Visualizers : Grafana / VisualVM
• Run MetricsDemo application.
• Visualizers
  • show Console reports
  • show VisualVM (jvisualvm)
  • show Graphite UI
  • show Grafana UI (user : admin, password : our usual pw)

Step 4: Students to run MetricsDemo

• Run metrics-demo application
• login to grafana and build a dashboard
• learn to export / import dashboards