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You can't use Signoz without opentelemetry in some way shape or form

I wonder what they meant by

If you have a running Prometheus instance, and you expose metrics in Prometheus, then you can scrape them in SigNoz by configuring Prometheus receivers in the

Prometheus receiver inside of the opentelemetry collector

thanks @Blake Romano for the accurate answers 🙂 and helping out Raghu

thanks @Blake Romano My understanding is that opentelemetry collector is part of signoz installation. so what do we expect from application developers here? we have prometheus installed in our k8s cluster which is already scraping all targets. and my guess was that signoz would get those metrics.

@Raghu I think you must be exposing those scraped prometheus metrics on some endpoint. You can just set those end points as targets for scraping in otel collector shipped with SigNoz. This section which you already link should be able to guide you - https://signoz.io/docs/userguide/send-metrics/#enable-a-prometheus-receiver

If you have exporters in the same K8s cluster as SigNoz, you could scrape metrics from them using

<http://signoz.io/scrape|signoz.io/scrape>

and

<http://signoz.io/port|signoz.io/port>

pod annotations. You will not need to update OtelCollectorMetrics config nor any external prometheus instance.

Thanks @Pranay @Prashant Shahi. Do you have a sample config that I can use to test these options. I would want to get a working setup that I can demo to our team.

@Raghu You can refer to the following example: https://github.com/SigNoz/charts/blob/main/charts/clickhouse/templates/clickhouse-operator/deployment.yaml#L29-L31