google cloud platform - High memory consumption on idle Kubernetes cluster -

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i´ve created cluster on google cloud platform consisting of 3 g1-small instances , have not yet added pod / service / etc. still, when log on kubernetes ui, 3 instances show high memory consumption of ~ 1.3 gb. memory used for? or problem kubernetes ui?

enter image description here

thanks, fabian

kube-ui seems showing total memory usage, opposed memory working set. former includes inactive pages not in use, memory appear higher. see memory working set, can try reaching other monitoring services such monitoring-grafana (backed heapster) or reach cadvisor port on node.

to reach cadvisor: run kubectl proxy , open http://localhost:8001/api/v1/proxy/nodes/nodename:4194/

alternatively, can deploy kubedash ui.


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