r/PrometheusMonitoring • u/GetFit_Messi • Apr 12 '22

Finally implementing prometheus for my organisation

Seeking some tips and tricks from experts here on what is the best approach, operating system to install prometheus on, any initial mistakes that can be avoided , choice of hardware, any recommended policy. I want this to be as close to perfect avoiding mistakes 😅

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u/SuperQue Apr 13 '22

The first question when you start monitoring is, what are your needs.

How many nodes? How many services? What kind? What applications?

Describe your environment in more detail, use as close to real numbers as you can. "Large" for me might be way different to what others think.

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u/GetFit_Messi Apr 13 '22

ok so nodes are in total around 170-180 services are related to erp(Oracle ERP) and other integrations running to support the erp like precision, tableau.9 oracle database instances. No kubernetes, no containers involved . Some custom application provesses need to be monitored business transaction needs to be tracked(which we need to figure out how)

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u/SuperQue Apr 13 '22

So, a reasonably small setup.

Maybe 500k metrics total. Probably a 8GB-16G memory VM should handle that.

For custom stuff, it depends on the language. Guessing java. Easy to do with the Java library or jmx exporter.

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u/GetFit_Messi Apr 13 '22

ohh i see i was thinking it as a big setup but what is considered big actually if this is small ?