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What is the primary benefit of using the Strangler fig pattern in microservices migration?

easy📝 Conceptual Q1 of 15
Microservices - Migration from Monolith
What is the primary benefit of using the Strangler fig pattern in microservices migration?
AIt eliminates the need for testing during migration
BIt requires rewriting the entire system at once
CIt allows gradual replacement of legacy systems without downtime
DIt forces all clients to update immediately
Step-by-Step Solution
Solution:

  1. Step 1: Understand the migration approach

    The Strangler fig pattern replaces parts of a legacy system gradually, not all at once.

  2. Step 2: Identify the benefit of gradual replacement

    This approach avoids downtime and reduces risk by allowing coexistence of old and new systems.

  3. Final Answer:

    It allows gradual replacement of legacy systems without downtime -> Option C

  4. Quick Check:

    Gradual migration = A [OK]
Quick Trick: Strangler fig means slow, safe replacement [OK]
Common Mistakes:
  • Thinking it requires full rewrite at once
  • Assuming no testing is needed
  • Believing clients must update immediately

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