[FEATURE REQ] Controlling sample rate for specific activities

[mortenbock]

Library name and version

Azure.Monitor.OpenTelemetry.AspNetCore 1.1.1

Query/Question

Coming from the classic application insights SDK, it was possible to use a telemetry initializer to set the sample rate of a specific telemetry item, based on whatever your criteria might be.

Is there a way to set a custom sampler when using this package?

builder.Services
    .AddOpenTelemetry()
    .UseAzureMonitor();

Or is there a way to set a different sample rate for a specific activity source?

The use case it that we might have certain requests where we want more accuracy in the data, or we might have a background task making a custom activity, where we always want to include the telemetry from that task.

Environment

Using dotnet 8

[github-actions]

Thanks for the feedback! We are routing this to the appropriate team for follow-up. cc @cijothomas @rajkumar-rangaraj @reyang @TimothyMothra @vishweshbankwar.

[TimothyMothra]

Unfortunately, this isn't supported today.
I'll leave this issue open to collect upvotes.