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Domain 4: Analyzing and Optimizing Technical and Business ProcessesDomain 4Deployment StrategiesCanaryCI/CD
GCP PCA · Question 34 · Domain 4: Analyzing and Optimizing Technical and Business Processes
Your team is deploying a major update to a user-facing web application. To minimize risk, you want to route only 5% of the live traffic to the new version. If the error rate remains low, you will gradually increase the traffic to 100%. Which deployment strategy does this describe?
Your team is deploying a major update to a user-facing web application. To minimize risk, you want to route only 5% of the live traffic to the new version. If the error rate remains low, you will gradually increase the traffic to 100%. Which deployment strategy does this describe?
Answer options:
A.
Blue/Green Deployment.
B.
Canary Deployment.
C.
A/B Testing.
D.
Rolling Update.
How to approach this question
Match the definition 'route a small percentage of traffic to test' with the industry term.
Full Answer
B.Canary Deployment.✓ Correct
Canary Deployment.
A Canary deployment is a technique to reduce the risk of introducing a new software version in production by slowly rolling out the change to a small subset of users before rolling it out to the entire infrastructure. In GCP, this is easily achieved using Cloud Load Balancing traffic splitting or Cloud Run traffic management.
Common mistakes
Confusing Canary with Blue/Green (A). Blue/Green is a 100% switch. Canary is a percentage-based gradual rollout.
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