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This PR provides an overview of Prometheus as an observability tool, why we might use it and integration with other tools.

@tasdevani21 tasdevani21 requested a review from norelina March 9, 2021 16:50
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Overall looks good to me. We could add some kubernetes specific text to some of these sections, but that can be added later.

- Similar to Grafana, visualization fo the time series can be directly done through the Prometheus Web UI. The Web UI provides the ability to easily filter and have an overview of what is taking place with your different targets.
- Prometheus provides a powerful functional query language called PromQL (Prometheus Query Language) that lets the user aggregate time series data in real time.

## Integration with Other Tools
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Nit: The tools specified here are all analysis tools. There are tools that utilize the Prometheus data natively to automate aspects of operating environments and/or k8s clusters. An example is using Flagger w/ Istio to automate blue/green deployments based on live telemetry from Prometheus.

I've made this a nit, since it can be done in another PR.

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I included this link which has an extensive list of tools and services Prometheus integrates with. Is that enough?

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5 participants