Intermediate
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How OpenTelemetry connects a request across services
See how signals and context fit together.
Read the articleObservability
Connect telemetry to an operational question, then follow the evidence through an investigation.
Intermediate
Choose the first request path
Plan your first distributed trace across a background job
Scope an initial tracing exercise around a customer-critical path.
Read the guideIntermediate
Read the evidence carefully
Reading time, concurrency and gaps in a distributed trace
Understand what a trace includes and what it cannot establish.
Read the articleIntermediate
Preserve useful events
The path from a log event to an investigation
Choose logs that support investigation rather than simply increasing volume.
Read the articlePut it into practice
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Read metrics and calculate the right rate
A reassuring fleet average can coexist with serious failures in one region. Follow the counts, units and time window to see which question a metric answers.
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Write logs that let you follow one job
Give each event enough context to find the right export, distinguish a retry from a new job, and see where the recorded story still has a gap.
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Read a trace across concurrent work
A request takes 2.4 seconds, but its recorded operations add up to 2.8. Draw the overlap once, then investigate the half-second the trace does not explain.
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Collect the first signals from a local service
Create one synthetic export and find the same job in a reply, log events, counters and a local trace Collector.