Mohammed Abdessetar Elyagoubi

Software engineer exploring browsers, developer tooling, open source, and the weird parts of the web.

Mohammed Abdessetar Elyagoubi — software engineer in Rabat.

Devoxx Morocco 2026 lightning — The Future of Open Source Has New Faces (Understand. Verify. Own.). Projects/Talks

Recent

Instrumenting a Java service with OpenTelemetry

15 September 2026·540 words·3 mins

Observability Java Opentelemetry Observability

How to create a useful span in Java with the OpenTelemetry API, attach attributes operators can query, and keep context across an outgoing call.

When the sampler hides the span you need

8 September 2026·378 words·2 mins

Observability Java Opentelemetry

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.

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