Saga Design Pattern- How Amazon Uber Handle Distributed Transactions | Never Fail Design Interview
In this video, I explain the Saga Design Pattern — one of the
most important and commonly asked System Design interview topics
for backend and microservices developers.
If you've ever wondered how Amazon processes orders, how Uber
handles ride bookings, or how food delivery apps stay consistent
— the answer is the Saga Pattern.
WHAT YOU'LL LEARN
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✅ What is the Saga Design Pattern and why it exists
✅ How Choreography works — decentralized, event-driven flow
✅ How Orchestration works — central coordinator pattern
✅ What are Compensating Transactions and how they work
✅ Real-world companies using Saga (Amazon, Uber, Netflix)
✅ When to use Saga vs when to avoid it
✅ A ready-to-use interview one-liner answer
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💬 INTERVIEW ONE-LINER (Save This!)
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"The Saga Design Pattern manages distributed transactions
across microservices by breaking them into a sequence of
local transactions with compensating transactions for rollback.
It can be implemented via Choreography (event-driven) or
Orchestration (central coordinator)."
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🎯 INTERACTIVE QUIZ (Answer Below!)
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Your app has 6 microservices. Payment fails at Step 4.
Which Saga type would you use — Choreography or Orchestration?
👇 Drop your answer in the comments!
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📌 RELATED VIDEOS — Watch Next
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▶ Partitioning vs Sharding vs Replication
▶ Event Driven Architecture Explained
▶ CAP Theorem – Explained Simply
▶ Microservices vs Monolith – Which to Choose?
▶ API Gateway vs Load Balancer
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#interviewprep #softwaredevelopment #choreography
#orchestration #distributedsystems #backendengineering