GuideObservability
A first distributed trace from request to background job
A queued background job gives an initial tracing project a concrete question: did the delay occur before the worker started or during execution?
Observability
Understand what your systems are telling you, and what they are not.
ExplainerObservability
Reading time, concurrency and gaps in a distributed trace
Concurrent spans, retries and selected samples explain what a trace reveals about one request and where an investigation needs another observation.