[Solved] What does the Recreate update strategy do in Kubernetes? — Ans: Deletes old pods before creating new ones, causing downtime | Kubernetes

Kubernetes - ReplicaSets and Deployments

What does the Recreate update strategy do in Kubernetes?

ADeletes old pods before creating new ones, causing downtime

BCreates new pods first, then deletes old pods to avoid downtime

CUpdates pods one by one without deleting any

DScales pods up and down simultaneously during update

Step-by-Step Solution

Solution:

Step 1: Understand the Recreate strategy behavior
The Recreate strategy deletes all old pods before starting new pods, which causes downtime.
Step 2: Compare with other strategies
Other strategies like RollingUpdate create new pods before deleting old ones to avoid downtime, unlike Recreate.
Final Answer:
Deletes old pods before creating new ones, causing downtime -> Option A
Quick Check:
Recreate = delete old pods first [OK]

Quick Trick: Recreate means delete old pods first, then create new [OK]

Common Mistakes:

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What does the Recreate update strategy do in Kubernetes?