09A request crosses six services and you have no idea where the time goes. How does tracing fix that?▼mediumDatadogUberStripe2 notes & commentsunlockedTracing is the only telemetry that answers where the time went across services. The mechanism is context propagation, and the reason teams fail at it is that one uninstrumented hop breaks the chain.Open full answer →
29A RAG answer took eleven seconds and nobody can say which stage was slow. Instrument it.▼hardDatadogDatabricksAtlassian2 notes & comments◆ premiumOne request touches an embedding call, a vector search, a rerank, a prompt build and a generation, and a single duration for the whole thing tells you nothing about any of them.Open full answer →