feat: metric span summaries #2522
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…y-python into feature/span-aggregation
This was referenced Nov 23, 2023
scttcper
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Nov 27, 2023
This lands a callback which controls the sample rate of span local metric summaries dynamically. Refs getsentry/sentry-python#2522
sentrivana
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Nov 29, 2023
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This PR adds metric summaries to spans.
Refs this RFC: https://github.com/getsentry/rfcs/blob/main/text/0123-metrics-correlation.md
For now they are guarded behind a sample rate which is 0 by default so we can gradually judge the impact. The sampling is done globally which is not useful from a user experience point of view, but enables us to validate the behavior.