I noticed that the count of spans in the Explore Traces graph looks inflated compared to the number of sampled spans shown. Where are these spans coming from?
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Explore Traces uses extrapolation based on the sample rate applied to your spans. The same is showing in the UI:
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This means if your spans are sampled at 10% (0.1) and 10 spans are generated, only 1 span will be ingested and shown under Span Samples, but the graph in Explore Traces will show 10, extrapolated to represent the full 100% sample count.
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If you’d like to see the ingested number of spans without extrapolation, use the Stats page.