Microservices - Migration from Monolith
If a parallel running test shows that the new microservice version returns errors for 10% of requests, what should be the immediate next step?
If a parallel running test shows that the new microservice version returns errors for 10% of requests, what should be the immediate next step?
medium📝 Analysis Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Interpret error rate during parallel running
10% errors indicate instability or bugs in new version.Step 2: Decide safe action based on errors
Rollback to old version to maintain stability and fix issues before full deployment.Final Answer:
Rollback to old version and fix errors before retrying -> Option AQuick Check:
Error detected = Rollback and fix [OK]
Quick Trick: Errors during parallel running require rollback and fix [OK]
Common Mistakes:
- Increasing traffic despite errors
- Ignoring errors and deploying fully
- Stopping old version prematurely
Master "Migration from Monolith" in Microservices
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