[kodekloud] 03 Monitor Cluster Components 풀이

Q1. We have deployed a few PODs running workloads. Inspect them.
Wait for the pods to be ready before proceeding to the next question.

 

 

Q2.Let us deploy metrics-server to monitor the PODs and Nodes. Pull the git repository for the deployment files.

Q3. Deploy the metrics-server by creating all the components downloaded. Run the kubectl create -f . command from within the downloaded repository.

이하는 답안인데 차이가 없는 걸까? 
답안대로 하니 이미 존재한다고 한다. 

 

Q4. It takes a few minutes for the metrics server to start gathering data.

 

Q5. Identify the node that consumes the most CPU.

파드의 CPU 사용량은 kubectl top pod 명령을 통해 확인할 수 있다.

 k  top node --sort-by='cpu' --no-headers | head -1

 

Q6. Identify the node that consumes the mostMemory.

k top node --sort-by='memory'

 

Q7. Identify the POD that consumes the most Memory.

k top pod --sort-by='memory'

팁) kubectl top pod -l {LABEL}

-l 옵션과 레이블명을 추가하여 특정 레이블을 가진 파드의 CPU 사용량을 조회할 수 있다.

 

Q8. Identify the POD that consumes the least CPU.

 kubectl top pod --sort-by='cpu' --no-headers | tail -1