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Metrics

Wobserver

​Wobserver is configured to display data from the /metrics endpoint in a web interface. To view, go to /wobserver for the chain you would like to view.
For example https://blockscout.com/eth/mainnet/wobserver

Prometheus

BlockScout is setup to export Prometheus metrics at /metrics.
  1. 1.
    Install prometheus: brew install prometheus
  2. 2.
    Start the web server iex -S mix phx.server
  3. 3.
    Start prometheus: prometheus --config.file=prometheus.yml

Grafana

The Grafana dashboard may also be used for metrics display.
  1. 1.
    Install grafana: brew install grafana
  2. 2.
    Install Pie Chart panel plugin: grafana-cli plugins install grafana-piechart-panel
  3. 3.
    Start grafana: brew services start grafana
  4. 4.
    Add Prometheus as a Data Source
    1. 1.
      open http://localhost:3000/datasources
    2. 2.
      Click "+ Add data source"
    3. 3.
      Put "Prometheus" for "Name"
    4. 4.
      Change "Type" to "Prometheus"
    5. 5.
      Set "URL" to "http://localhost:9090"
    6. 6.
      Set "Scrape Interval" to "10s"
  5. 5.
    Add the dashboards from https://github.com/deadtrickster/beam-dashboards: For each *.json file in the repo.
    1. 1.
      open http://localhost:3000/dashboard/import
    2. 2.
      Copy the contents of the JSON file in the "Or paste JSON" entry
    3. 3.
      Click "Load"
  6. 6.
    View the dashboards. (You will need to click-around and use BlockScout for the web-related metrics to show up.)
Examples of dashboards:
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Last modified 2yr ago