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Observability System Design Case Studies

InterviewSkool tracks 11 Observability case studies with architecture diagrams, scale estimates, and deep dives.

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Companies

Amazon4Microsoft3Anthropic2Atlassian2LinkedIn2Oracle2Apple1Google1Meta1NVIDIA1Rippling1Salesforce1Snowflake1TikTok1Uber1Walmart1

Topics

Distributed Systems 90Real-time 51Storage 43Data Pipelines 42API Design 41Databases 38Caching 37Security 32AI / ML 23Algorithms 20Scheduling 20Search 19Event Driven 14Fintech 14Payments 11Geospatial 11Analytics 11Observability 11E-commerce 11Messaging 10CDN 9Concurrency 8Ads 8Frontend 8Booking System 6Networking 5IoT 4Media 3Media Streaming 3Collaboration 3Rate Limiting 2
Observability✕Clear all
Tracing and Debugging AI Agent Tool Calls
5 min readAI / MLObservabilityDistributed Systems
Intermediate▶ Mock
Analytics Dashboard for an AI Chat Product
5 min readAnalyticsAI / MLData Pipelines
Intermediate▶ Mock
Reviewing an Existing Architecture for Risks
6 min readDistributed SystemsSecurityObservability
Intermediate▶ Mock
Multi-Tenant Audit Logs Service
4 min readSecurityStorageData Pipelines
Intermediate▶ Mock
Core Dump Collection and Crash Analysis System
5 min readObservabilityStorageData Pipelines
Intermediate▶ Mock
Centralized Logging System (ELK / Splunk)
6 min readObservabilityData PipelinesSearch
Intermediate+1▶ Mock
GPU Cluster Control Plane (Host Health, Repair and Job Dispatch)
7 min readObservabilitySchedulingDistributed Systems
Advanced▶ Mock
Incident Ticket Correlation Platform
3 min readObservabilityData PipelinesDistributed Systems
Advanced▶ Mock
Metrics Monitoring and Alerting System
7 min readObservabilityData PipelinesStorage
Advanced+3▶ Mock
Security Monitoring Framework for Cloud Infrastructure
4 min readSecurityObservabilityData Pipelines
Advanced▶ Mock
Troubleshooting a Slow or Failing Production System
5 min readObservabilityDistributed SystemsDatabases
Intermediate▶ Mock

Frequently Asked Questions

What is Observability in system design?

Observability is a core system design topic covered in 11 case studies on InterviewSkool. It appears frequently in FAANG interviews, especially at Google, Amazon, and Meta.

How should I prepare Observability for system design interviews?

Study the case studies above, focusing on architecture trade-offs, scale estimates, and API designs. Practice explaining your decisions aloud — this is exactly what interviewers evaluate.

Practice with a Mock Interview

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