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In a blue-green deployment, what is the expected user experience during the traffic switch?

medium📝 Analysis Q5 of 15
Microservices - CI/CD for Microservices
In a blue-green deployment, what is the expected user experience during the traffic switch?
AUsers experience downtime during the switch
BUsers continue without noticing any downtime
CUsers must manually refresh to see updates
DUsers lose all session data during the switch
Step-by-Step Solution
Solution:
  1. Step 1: Understand user impact goal

    Blue-green deployment aims to provide seamless updates without downtime.
  2. Step 2: Identify user experience during switch

    Users should not notice any downtime or disruption during traffic switch.
  3. Final Answer:

    Users continue without noticing any downtime -> Option B
  4. Quick Check:

    User experience = seamless [OK]
Quick Trick: Blue-green ensures no downtime for users [OK]
Common Mistakes:
  • Expecting downtime during switch
  • Thinking users must refresh manually
  • Assuming session loss always occurs

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