Kafka - Kubernetes and Cloud Deployment
You updated the Kafka resource YAML to increase replicas from 2 to 4 but only 2 broker pods are running. What is a likely cause?
You updated the Kafka resource YAML to increase replicas from 2 to 4 but only 2 broker pods are running. What is a likely cause?
medium📝 Troubleshoot Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Strimzi Operator role in scaling
Strimzi Operator watches Kafka CR and creates pods accordingly. If it's down, pods won't scale.Step 2: Check other options
Kafka supports more replicas, applying YAML is necessary but question implies it was done, Kubernetes allows scaling.Final Answer:
Strimzi Operator is not running or has errors -> Option CQuick Check:
Operator down = No pod scaling [OK]
Quick Trick: Strimzi Operator must be healthy for scaling to work [OK]
Common Mistakes:
MISTAKES- Assuming Kafka limits replicas to 2
- Forgetting to apply YAML changes
- Thinking Kubernetes blocks scaling
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