Instrumenting a Java service with OpenTelemetry
·540 words·3 mins
How to create a useful span in Java with the OpenTelemetry API, attach attributes operators can query, and keep context across an outgoing call.
Observability
When the sampler hides the span you need
·378 words·2 mins
A short note on parent-based sampling, remote sampler poll intervals, and how to check that a missing Java span is a sampling decision — not a missing instrumentation.