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What is the main goal of an incremental migration plan in microservices?

easy📝 Conceptual Q11 of 15
Microservices - Migration from Monolith
What is the main goal of an incremental migration plan in microservices?
ATo avoid testing during migration
BTo rewrite the entire system at once
CTo remove all old services immediately
DTo move functionality step-by-step to reduce risk
Step-by-Step Solution
Solution:

  1. Step 1: Understand migration goals

    Incremental migration aims to reduce risk by breaking changes into small steps.

  2. Step 2: Compare options

    Options B, C, and D involve big changes or skipping testing, which increase risk.

  3. Final Answer:

    To move functionality step-by-step to reduce risk -> Option D

  4. Quick Check:

    Incremental migration = step-by-step safe moves [OK]
Quick Trick: Think small safe steps, not big risky jumps [OK]
Common Mistakes:
  • Assuming migration happens all at once
  • Ignoring the need for testing
  • Believing old services must be removed immediately

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