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SigNoz, OpenTelemetry & Prometheus Metrics Format Inquiry

TLDR Justin inquired about metric naming conventions in SigNoz, OpenTelemetry, and Prometheus. Pranay clarified SigNoz's usage of ClickHouse filesystem, which mandates underscore notation.

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Oct 16, 2023 (1 month ago)

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Justin

09:18 PM

I have a question about SigNoz and OpenTelemetry.
I understand the OpenTelemetry uses dot . notation but Prometheus doesn’t.
https://grafana.com/blog/2023/07/20/a-practical-guide-to-data-collection-with-opentelemetry-and-prometheus/#3-understand-namin[…]ons-and-limitations

I am testing SigNoz as a Collector to store metrics. The Metrics in ClickHouse use the underscore _ notation.
Does SigNoz store Metrics in Prometheus format as a rule? How does this effect the broader OpenTelemetry standard integrations?
Would metrics need to be converted for other OpenTelemetry Collector Exporters to be compliant with the dot notation?
https://github.com/open-telemetry/semantic-conventions/blob/main/docs/general/metrics.md

Oct 18, 2023 (1 month ago)

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Pranay

05:37 AM

hey Justin, we use ClickHouse as datastore which doesn't recommend to use dot as they have this as a reserved keyword - https://github.com/ClickHouse/ClickHouse/issues/55452#issuecomment-1755688552

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