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Observability, Background Jobs & Resilience - Azure .NET Production Hosting | Aporeon

Azure .NET Production Hosting

Observability, Background Jobs & Resilience

Application Insights, OpenTelemetry, tracing, alerts, background workers, queues, Azure SQL transient faults, and scale-out state.

8 drillsPractice one at a timeOrdered pathConcept questionComparison questionArchitecture scenarioDebugging scenario

Recommended start

Application Insights Baseline

Covers useful request, dependency, exception, log, metric, and availability telemetry for a production .NET API.

Easy~5 minStep 1 of 8

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1Application Insights BaselineRecommended startCovers useful request, dependency, exception, log, metric, and availability telemetry for a production .NET API.Concept questionEasy~5 min.NETApplication InsightsASP.NET CorePractice

Practice order

8 drillsOne at a time

1Application Insights BaselineUp next / Easy / ~5 min
2OpenTelemetry vs App Insights SDKMedium / ~7 min
3Correlation and TracingMedium / ~7 min

2

OpenTelemetry vs App Insights SDKCompares OpenTelemetry-based Azure Monitor instrumentation with older Application Insights SDK patterns for .NET services.Comparison questionMedium~7 min.NETApplication InsightsASP.NET Core

Practice

3Correlation and TracingExplains correlation IDs, distributed tracing, dependency telemetry, message boundaries, and logs across App Service, queues, and downstream APIs.Concept questionMedium~7 min.NETApplication InsightsASP.NET CorePractice

4Azure Monitor AlertsCovers symptom-based alerting for latency, error rate, availability, dependency failures, queue length, and resource pressure.Concept questionMedium~7 min.NETApplication InsightsAzurePractice

5WebJobs vs FunctionsCompares App Service WebJobs and Azure Functions for queue processing, scheduled tasks, scaling, deployment ownership, and operational isolation.Comparison questionMedium~7 min.NETAzureAzure App ServicePractice

6Queue-Based Background WorkCovers queue-backed work, idempotency, retries, visibility timeout, poison messages, progress tracking, and choosing Storage Queues or Service Bus.Architecture scenarioHard~12 min.NETASP.NET CoreAzurePractice

7Azure SQL Transient FaultsExplains transient database errors, retry strategy, EF Core execution strategy, idempotency, timeouts, and avoiding retry storms.Debugging scenarioMedium~10 min.NETASP.NET CoreAzurePractice

8Scale-Out StateExplains scale-out bugs from in-memory sessions, local caches, background queues, uploaded files, and per-instance behavior.Debugging scenarioMedium~10 min.NETApplication InsightsASP.NET CorePractice

4Azure Monitor Alerts

Medium / ~7 min

5WebJobs vs FunctionsMedium / ~7 min

6Queue-Based Background WorkHard / ~12 min

7Azure SQL Transient FaultsMedium / ~10 min

8Scale-Out StateMedium / ~10 min