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PROFESSIONAL-CLOUD-DEVOPS-ENGINEER · Question #199
You are deploying a new version of your application to a multi-zone Google Kubernetes Engine (GKE) cluster. The deployment is progressing smoothly, but you notice that some Pods in a specific zone are
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Submitted by priya_blr· Apr 18, 2026Applying site reliability engineering principles to a service
Question
You are deploying a new version of your application to a multi-zone Google Kubernetes Engine (GKE) cluster. The deployment is progressing smoothly, but you notice that some Pods in a specific zone are experiencing higher error rates. You need to selectively roll back the update for the Pods experiencing errors with minimal impact to users. What should you do?
Options
- AScale down the Pods in the affected zone. Redeploy the new version of the application.
- BDrain the affected nodes. Redeploy the new version of the application to the remaining nodes.
- CModify the Deployment to use the Pod template from the previous version of your application.
- DUse the kubectl rollout undo command to roll back the entire deployment. Redeploy the new
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Topics
#Kubernetes Deployment#GKE#Application Rollback#Incident Mitigation