Logging and Monitoring Flashcards
1
Q
How many metrics servers can run per cluster?
A
1
2
Q
What is the primary limitation of a metrics server in K8?
A
You can not see historical metrics because you can only store metrics in memory and not on disk.
3
Q
What is cAdvisor and what is it responsible for?
A
cAdvisor is a sub component of the kubelet that is responsible for retrieving performance metrics from pods and exposing them through the kubelet API
4
Q
What is the command to get node metrics?
A
k top node
5
Q
What is the command to get pod metrics?
A
k top pods
6
Q
What is the command to tail logs generated by a pod?
A
k logs -f <pod_name></pod_name>
7
Q
What is the command to tail logs generated by a pod?
A
k logs -f <pod_name></pod_name>
