[Solved] Given this readiness probe configuration in a pod spec: readinessProbe: httpGet: path: /ready port: 8080 initialDelaySeconds: 5 periodSeconds:... | Kubernetes

Kubernetes - Health Checks and Probes

Given this readiness probe configuration in a pod spec:

readinessProbe:
  httpGet:
    path: /ready
    port: 8080
  initialDelaySeconds: 5
  periodSeconds: 10

What happens if the HTTP GET request to /ready returns status 503?

AKubernetes ignores the failure and continues sending traffic

BKubernetes restarts the container immediately

CKubernetes marks the container as not ready and stops sending traffic

DKubernetes deletes the pod

Step-by-Step Solution

Solution:

Step 1: Understand readiness probe failure effect
If the readiness probe fails (like HTTP 503), Kubernetes marks the container as not ready and stops routing traffic to it.
Step 2: Differentiate from liveness probe
Liveness probe failure causes restarts, but readiness probe failure only affects traffic routing, not container lifecycle.
Final Answer:
Kubernetes marks the container as not ready and stops sending traffic -> Option C
Quick Check:
Readiness failure = no traffic [OK]

Quick Trick: Readiness failure stops traffic, does not restart container [OK]

Common Mistakes:

Master "Health Checks and Probes" in Kubernetes

9 interactive learning modes - each teaches the same concept differently

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