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OTel experimentation #49409

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OTel experimentation #49409

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@baronfel baronfel commented Jun 15, 2025

This is entirely exploratory so far - we can't use AppInsights libraries if we do AOT in the SDK, so I'm exploring what an OTel-based way of doing telemetry might look like.

  • All CLI calls make at least one Activity
  • TrackEvent now creates Events on the ambient Activity with the same content as before

q: telemetry filtering/hashing?
q: do we keep the store-out-of-band-then-rehydrate-and-send approach, or just do a best-case flush?

Example Aspire Dashboard outputs for dotnet new classlib:
image

Telemetry events are visible in this view if the CLI is opted in to telemetry.

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