Interview Questions/Technical Deep Dive/Scaling a Monolith to Microservices
AdvancedTechnical
5 min

Scaling a Monolith to Microservices

MonolithMicroservicesMigration
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Interview Question

You are tasked with breaking a large monolith into microservices. Walk through your migration strategy.

Key Points to Cover
  • Identify bounded contexts and carve out services incrementally
  • Introduce API gateway and service contracts
  • Use strangler fig pattern to phase migration
  • Ensure observability and data migration strategies
Evaluation Rubric
Defines service boundaries effectively30% weight
Uses migration patterns like strangler fig30% weight
Mitigates migration risks20% weight
Maintains observability during migration20% weight
Hints
  • 💡Focus on incremental migration and risk reduction.
Potential Follow-up Questions
  • How do you handle shared database challenges?
  • What are common pitfalls in migration?
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