harsh kumar 30be1483d1
instrumentation: add native histograms to complement high-traffic summaries (#17374)
This adds the following native histograms (with a few classic buckets for backwards compatibility), while keeping the corresponding summaries (same name, just without `_histogram`):

- `prometheus_sd_refresh_duration_histogram_seconds`
- `prometheus_rule_evaluation_duration_histogram_seconds`
- `prometheus_rule_group_duration_histogram_seconds`
- `prometheus_target_sync_length_histogram_seconds`
- `prometheus_target_interval_length_histogram_seconds`
- `prometheus_engine_query_duration_histogram_seconds`

Signed-off-by: Harsh <harshmastic@gmail.com>
Signed-off-by: harsh kumar <135993950+hxrshxz@users.noreply.github.com>
Co-authored-by: Björn Rabenstein <github@rabenste.in>
2025-11-27 18:45:35 +01:00
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