Observability, Data & Background Failures

Missing telemetry, lost correlation, Azure SQL timeouts, transient fault diagnosis, queue backlog, poison messages, and duplicate background processing.

7 drillsPractice one at a timeOrdered pathDebugging scenario

Recommended start

Missing Telemetry

Investigate a .NET API that appears to run but sends little or no telemetry to Application Insights.

Medium~10 minStep 1 of 7

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1Missing TelemetryRecommended startInvestigate a .NET API that appears to run but sends little or no telemetry to Application Insights.Debugging scenarioMedium~10 min.NETApplication InsightsASP.NET CorePractice