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scottcrawford03/k8s-cluster-memory.md

Created January 16, 2019 19:23
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This is a breakdown of the memory usage of a cluster with tiller, helm and a catalog.
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k8s-cluster-memory.md

nodes from a top level:

do-service-broker ❯❯❯ kc top nodes NAME CPU(cores) CPU% MEMORY(bytes) MEMORY% reverent-nash-8x97 44m 4% 613Mi 32% reverent-nash-8x9c 32m 3% 456Mi 23% reverent-nash-8x9m 45m 4% 485Mi 25%

FIRST NODe

Non-terminated Pods: (4 in total) Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits

default catalog-catalog-apiserver-6cdb87cb5d-9m5mc 200m (20%) 200m (20%) 50Mi (2%) 70Mi (3%) kube-system csi-do-node-fx2pt 0 (0%) 0 (0%) 0 (0%) 0 (0%) kube-system kube-proxy-reverent-nash-8x9m 0 (0%) 0 (0%) 0 (0%) 0 (0%) kube-system tiller-deploy-6cf89f5895-m95qd 0 (0%) 0 (0%) 0 (0%) 0 (0%) Allocated resources: (Total limits may be over 100 percent, i.e., overcommitted.) Resource Requests Limits

cpu 200m (20%) 200m (20%) memory 50Mi (2%) 70Mi (3%) attachable-volumes-csi-dobs.csi.digitalocean.com 0 0

SECOND NODE

Non-terminated Pods: (4 in total) Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits

kube-system coredns-7b5bcb98f8-bxlbb 100m (10%) 0 (0%) 70Mi (3%) 170Mi (8%) kube-system coredns-7b5bcb98f8-ptg8f 100m (10%) 0 (0%) 70Mi (3%) 170Mi (8%) kube-system csi-do-node-qrfnk 0 (0%) 0 (0%) 0 (0%) 0 (0%) kube-system kube-proxy-reverent-nash-8x9c 0 (0%) 0 (0%) 0 (0%) 0 (0%) Allocated resources: (Total limits may be over 100 percent, i.e., overcommitted.) Resource Requests Limits

cpu 200m (20%) 0 (0%) memory 140Mi (7%) 340Mi (17%) attachable-volumes-csi-dobs.csi.digitalocean.com 0 0

THIRD NODE

Non-terminated Pods: (4 in total) Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits

default catalog-catalog-controller-manager-77c6659467-6275j 100m (10%) 100m (10%) 20Mi (1%) 30Mi (1%) kube-system csi-do-node-29cpl 0 (0%) 0 (0%) 0 (0%) 0 (0%) kube-system kube-proxy-reverent-nash-8x97 0 (0%) 0 (0%) 0 (0%) 0 (0%) kube-system metrics-server-5d46d88b4c-4knzz 0 (0%) 0 (0%) 0 (0%) 0 (0%) Allocated resources: (Total limits may be over 100 percent, i.e., overcommitted.) Resource Requests Limits

cpu 100m (10%) 100m (10%) memory 20Mi (1%) 30Mi (1%) attachable-volumes-csi-dobs.csi.digitalocean.com 0 0

Pods from a top level

do-service-broker ❯❯❯ kc top pod --all-namespaces NAMESPACE NAME CPU(cores) MEMORY(bytes) default catalog-catalog-apiserver-6cdb87cb5d-9m5mc 6m 31Mi default catalog-catalog-controller-manager-77c6659467-6275j 7m 12Mi kube-system coredns-7b5bcb98f8-bxlbb 3m 7Mi kube-system coredns-7b5bcb98f8-ptg8f 3m 9Mi kube-system csi-do-node-29cpl 1m 9Mi kube-system csi-do-node-fx2pt 1m 9Mi kube-system csi-do-node-qrfnk 0m 9Mi kube-system kube-proxy-reverent-nash-8x97 3m 14Mi kube-system kube-proxy-reverent-nash-8x9c 2m 17Mi kube-system kube-proxy-reverent-nash-8x9m 2m 18Mi kube-system metrics-server-5d46d88b4c-4knzz 1m 12Mi kube-system tiller-deploy-6cf89f5895-m95qd 1m 14Mi

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