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instrumentation-example

Example Project for using Dropwizard Metrics, useful for testing projects that interact with administrative functions

You can run this and it has a simple hello world on http://localhost:8031/. There will be health checks and metrics on http://localhost:8023/admin

This is useful for testing projects that want to interact with Dropwizard Metrics

Run It:

gradle fatfar
java -DmainPort=8031 -DadminPort=8023 -DapplicationPath=/ -jar build/libs/instrumentation-all-1.0-SNAPSHOT.jar

Healthchecks

http://localhost:8023/admin/healthcheck?pretty=true

{
  DeadlockDetection: {
    healthy: true
  },
  PostgreSQL: {
    healthy: false,
    message: "Cannot connect to /tmp/pgsql.sock"
  },
  mysql: {
    healthy: true
  }
}

Metrics

http://localhost:8023/admin/metrics?pretty=true

{
  "version" : "3.0.0",
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      "value" : 0.0
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      "value" : 0.0
    },
    "org.eclipse.jetty.servlet.ServletContextHandler.percent-5xx-15m" : {
      "value" : 1.0
    },
    "org.eclipse.jetty.servlet.ServletContextHandler.percent-5xx-1m" : {
      "value" : 1.0
    },
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      "value" : 1.0
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    "org.eclipse.jetty.servlet.ServletHandler.percent-4xx-15m" : {
      "value" : "NaN"
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    "org.eclipse.jetty.servlet.ServletHandler.percent-4xx-1m" : {
      "value" : "NaN"
    },
    "org.eclipse.jetty.servlet.ServletHandler.percent-4xx-5m" : {
      "value" : "NaN"
    },
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      "value" : "NaN"
    },
    "org.eclipse.jetty.servlet.ServletHandler.percent-5xx-1m" : {
      "value" : "NaN"
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    "org.eclipse.jetty.servlet.ServletHandler.percent-5xx-5m" : {
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      "value" : 0.75
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      "value" : 0.03
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