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Distributed Systems System Design Case Studies
20 Distributed Systems case studies from Meta with full breakdowns.
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Companies
Topics
✓ 0Case studiesDifficultyAsked atPractice
Beginner

Advanced


+5
Advanced


+2
Distributed Cache and the Hot Key / Cache Stampede Problem
Intermediate6 min readCachingDistributed SystemsDatabases
Distributed Job Scheduler (Cron at Scale)
Advanced7 min readSchedulingDistributed SystemsEvent Driven
Intermediate


+9
Food and Quick-Commerce Delivery Platform (Uber Eats / DoorDash)
Advanced6 min readGeospatialReal-timeE-commerce
Live Comments for Live Video (Facebook Live / TikTok Live)
Intermediate6 min readReal-timeMessagingDistributed Systems
Real-Time Online Auction (eBay / Live Auctions)
Advanced7 min readReal-timeDistributed SystemsPayments
Intermediate


Online Judge and Coding Contest Platform (LeetCode)
Intermediate6 min readDistributed SystemsSecurityScheduling
Post Privacy and Visibility System (Facebook-style)
Advanced4 min readSecurityDistributed SystemsCaching
Social Post Search (Keyword and Boolean Queries)
Intermediate6 min readSearchDistributed SystemsAlgorithms
Recommendation System (Candidate Generation + Ranking)
Advanced6 min readAI / MLData PipelinesDistributed Systems
Troubleshooting a Slow or Failing Production System
Intermediate5 min readObservabilityDistributed SystemsDatabases
Frequently Asked Questions
What is Distributed Systems in system design?
Distributed Systems is a core system design topic covered in 90 case studies on InterviewSkool. It appears frequently in FAANG interviews, especially at Google, Amazon, and Meta.
How should I prepare Distributed Systems 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.
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