Kafka - Monitoring and Operations
Which of the following is the correct Prometheus scrape configuration snippet to monitor Kafka metrics exposed at port 9090?
Which of the following is the correct Prometheus scrape configuration snippet to monitor Kafka metrics exposed at port 9090?
easy📝 Configuration Q12 of Q15
Step-by-Step Solution
Solution:
Step 1: Identify Kafka metrics port
Kafka metrics exporter commonly exposes metrics on port 9090.Step 2: Match correct target in Prometheus config
Only - job_name: 'kafka'\n static_configs:\n - targets: ['localhost:9090'] uses port 9090, which is correct for scraping Kafka metrics.Final Answer:
- job_name: 'kafka'\n static_configs:\n - targets: ['localhost:9090'] -> Option AQuick Check:
Port 9090 for Kafka metrics = A [OK]
Quick Trick: Kafka metrics usually on port 9090, check targets carefully [OK]
Common Mistakes:
MISTAKES- Using Kafka broker port 2181 (Zookeeper port) instead of metrics port
- Confusing HTTP ports like 8080 for metrics
- Using random ports not related to Kafka metrics
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