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You want to update the image version of a running deployment without downtime. Which Kubernetes feature helps achieve this?

hard📝 Workflow Q8 of 15
Microservices - Orchestration with Kubernetes
You want to update the image version of a running deployment without downtime. Which Kubernetes feature helps achieve this?
AManual pod deletion
BRecreate strategy in Deployment
CRolling Update strategy in Deployment
DUsing StatefulSet instead of Deployment
Step-by-Step Solution
Solution:

  1. Step 1: Identify update strategies in Deployment

    Rolling Update gradually replaces pods to avoid downtime.

  2. Step 2: Compare with other options

    Recreate deletes all pods first causing downtime; manual deletion is disruptive; StatefulSet is for stateful apps.

  3. Final Answer:

    Rolling Update strategy in Deployment -> Option C

  4. Quick Check:

    Rolling Update = zero downtime updates [OK]
Quick Trick: Use rolling updates for zero downtime deployment changes [OK]
Common Mistakes:
MISTAKES
  • Choosing recreate which causes downtime
  • Manually deleting pods causing service disruption
  • Confusing StatefulSet with deployment update strategy

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