Do podmonitor and servicemonitor support convert_classic_histograms_to_nhcb?

[chardch]

According to [1], it seems like pod and service monitor should support convert_classic_histograms_to_nhcb, however, in the associated PR [2] I didn't see anything added for the conversion of classic histograms, but only for scrapeClassicHistograms, nativeHistogramBucketLimit and nativeHistogramMinBucketFactor. Could anyone help clarify how to set convert_classic_histograms_to_nhcb for podmonitor and servicemonitor?

[1] #6774

[2] https://github.com/prometheus-operator/prometheus-operator/pull/6796/files#diff-3d40171a353c8b72b7af102480322d3c483d9f04656126f7db89a20738d3f031

[dosubot[bot]]

Hey there, @chardch! I'm here to help you with any bugs, questions, or contributions. Let's tackle this together while we wait for a human maintainer.

The issue you referenced, Native histogram configuration support in {Pod,Service}Monitor, is closed and was addressed by a pull request that added support for native histograms. However, it did not include the convert_classic_histograms_to_nhcb option ^[1].

Currently, there is no specific documentation or example in the Prometheus Operator repository that explains how to configure convert_classic_histograms_to_nhcb in PodMonitor and ServiceMonitor. The recent pull request you mentioned focuses on other configurations like scrapeClassicHistograms, nativeHistogramBucketLimit, and nativeHistogramMinBucketFactor, but does not cover convert_classic_histograms_to_nhcb ^[1].

For now, it seems that users may need to wait for further updates or implementations regarding this specific configuration.

To continue talking to Dosu, mention @dosu.

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[smuth4]

I fell down this rabbit hole as well, and created a PR to hopefully get it added: #7448

[chardch]

Awesome, thanks!