Working with Prometheus Metric Types

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Working with Prometheus Metric Types

Prometheus exporters provide data using a handful of different metric types, each representing its own unique kind of data. When working with Prometheus, it is important to understand how these different metric types function in order to properly interpret data. In this lab, you will have the opportunity to collect data from metrics that utilize a variety of different metric types. This will allow you to work with multiple metric types hands-on.

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Lab Info

Level

Intermediate

Last updated

May 10, 2025

Duration

45m

Challenge

Get the Value of the `mobile_gateway_restarts` Counter
1. Access the Prometheus expression browser in your web browser using the Public IP address of the Prometheus server:
  
  http://<PROMETHEUS_SERVER_PUBLIC_IP>:9090
2. Run a query to get the value of the mobile_gateway_restarts counter:
  
  mobile_gateway_restarts
3. Log in to the Prometheus server and open the report file:
  
  vi /home/cloud_user/report.md
4. Add the number of restarts to the appropriate line in the file for the mobile_gateway_restarts metric.
Challenge

Get the Value of the `mobile_gateway_mem_available` Gauge
1. From the Prometheus expression browser, run a query to get the value of the mobile_gateway_mem_available gauge:
  
  mobile_gateway_mem_available
2. On the Prometheus server, add the current available memory to the appropriate line in the file for the mobile_gateway_mem_available metric.
Challenge

Get the Requested Data from the `mobile_gateway_request_duration_seconds` Histogram
1. From the Prometheus expression browser, run a query to get the value of the mobile_gateway_request_duration_seconds bucket le="3":
  
  mobile_gateway_request_duration_seconds_bucket{le="3"}
2. On the Prometheus server, add the number of requests in the three-second bucket to the appropriate line in the file for the mobile_gateway_request_duration_seconds{le="3"} metric.
3. Return to the Prometheus expression browser and run a query to get the total count for the mobile_gateway_request_duration_seconds histogram:
  
  mobile_gateway_request_duration_seconds_count
4. Add the total count to the appropriate line in the report.md file for the mobile_gateway_request_duration_seconds_count metric.

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