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One thing I appreciate about sentry compared to datadog is the ability to configure hard caps on ingestion to control cost. AFAIK the mechanism is basically that the server starts rate limiting/rejecting requests and the client SDKs are written to handle this and enter a back off state or start sampling events.

I think this could be a nice point of difference to explore that can help people avoid unexpected bills

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Agreed on needing better tooling for surprise bills - definitely no stranger to that problem!

For now we're trying to make the base price cheap enough where those kinds of considerations don't need to be top of mind today and a policy that can be forgiving when it occasionally happens, but certainly as we continue to scale and grow, we'll need to put in proper controls to allow users to define what should happen if events are spiking unexpectedly (how to shed events via sampling, what needs to be explicitly perserved for compliance reasons, when to notify, etc.)

I do like Sentry's auto-sampling algorithm which is a really neat way to solve that issue.

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