Kafka - Kubernetes and Cloud Deployment
A Kafka deployment YAML file is missing the 'selector' field under 'spec'. What issue will this cause in a cloud-native environment?
A Kafka deployment YAML file is missing the 'selector' field under 'spec'. What issue will this cause in a cloud-native environment?
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the role of 'selector' in Kubernetes Deployment
The selector tells Deployment which pods it manages; missing it breaks pod management.Step 2: Consequence for Kafka brokers
Without selector, Deployment cannot track pods, causing unstable Kafka broker management.Final Answer:
The Deployment will fail to manage pods correctly, causing unstable Kafka brokers. -> Option DQuick Check:
Missing selector = Deployment mismanages pods [OK]
Quick Trick: Always include selector in Deployment spec [OK]
Common Mistakes:
MISTAKES- Assuming Deployment adds default selector
- Thinking Kafka topics depend on Deployment selector
- Believing brokers run fine without selector
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