06A request crosses six services and you have no idea where the time goes. How does tracing fix that?▼mediumNewDatadogUberStripe2 repliesunlockedTracing 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 →
26A RAG answer took eleven seconds and nobody can say which stage was slow. Instrument it.▼hardNewDatadogDatabricksAtlassian2 replies◆ 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 →
