KEDAとPrometheusを使用したクラスタ自動スケーリングPage
要件

段階的に
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helm repo add kedacore https://kedacore.github.io/charts
helm repo update
helm install keda kedacore/keda --namespace keda --create-namespaceNAME READY STATUS RESTARTS AGE
pod/keda-admission-webhooks-54764ff7d5-l4tks 1/1 Running 0 3d
pod/keda-operator-567cb596fd-wx4t8 1/1 Running 0 2d23h
pod/keda-operator-metrics-apiserver-6475bf5fff-8x8bw 1/1 Running 0 2d14h
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/keda-admission-webhooks ClusterIP 100.71.2.54 443/TCP 3d2h
service/keda-operator ClusterIP 100.66.228.223 9666/TCP 3d2h
service/keda-operator-metrics-apiserver ClusterIP 100.71.162.181 443/TCP,8080/TCP 3d2h
NAME READY UP-TO-DATE AVAILABLE AGE
deployment.apps/keda-admission-webhooks 1/1 1 1 3d2h
deployment.apps/keda-operator 1/1 1 1 3d2h
deployment.apps/keda-operator-metrics-apiserver 1/1 1 1 3d2h
NAME DESIRED CURRENT READY AGE
replicaset.apps/keda-admission-webhooks-54764ff7d5 1 1 1 3d2h
replicaset.apps/keda-operator-567cb596fd 1 1 1 3d2h
replicaset.apps/keda-operator-metrics-apiserver-6475bf5fff 1 1 1 3d2h"name": "namespaces/DCGM_FI_DEV_POWER_USAGE",
"name": "namespaces/DCGM_FI_DEV_FB_USED",
"name": "namespaces/DCGM_FI_DEV_PCIE_REPLAY_COUNTER",
"name": "pods/DCGM_FI_DEV_XID_ERRORS",
"name": "namespaces/DCGM_FI_PROF_GR_ENGINE_ACTIVE",
"name": "namespaces/DCGM_FI_DEV_TOTAL_ENERGY_CONSUMPTION",
"name": "pods/DCGM_FI_PROF_DRAM_ACTIVE",
"name": "jobs.batch/DCGM_FI_DEV_POWER_USAGE",
"name": "jobs.batch/DCGM_FI_DEV_SM_CLOCK",
"name": "namespaces/DCGM_FI_DEV_NVLINK_BANDWIDTH_TOTAL",
"name": "pods/DCGM_FI_DEV_POWER_USAGE",
"name": "jobs.batch/DCGM_FI_DEV_MEM_CLOCK",
"name": "jobs.batch/DCGM_FI_DEV_FB_USED",
"name": "namespaces/DCGM_FI_DEV_FB_FREE",
"name": "jobs.batch/DCGM_FI_PROF_GR_ENGINE_ACTIVE",
"name": "pods/DCGM_FI_DEV_MEMORY_TEMP",
"name": "pods/DCGM_FI_DEV_FB_FREE",
"name": "pods/DCGM_FI_DEV_MEM_CLOCK",
"name": "pods/DCGM_FI_PROF_GR_ENGINE_ACTIVE",
"name": "pods/DCGM_FI_DEV_NVLINK_BANDWIDTH_TOTAL",
"name": "pods/DCGM_FI_PROF_PIPE_TENSOR_ACTIVE",
"name": "jobs.batch/DCGM_FI_DEV_MEMORY_TEMP",
"name": "namespaces/DCGM_FI_DEV_MEM_CLOCK",
"name": "jobs.batch/DCGM_FI_DEV_XID_ERRORS",
"name": "namespaces/DCGM_FI_DEV_VGPU_LICENSE_STATUS",
"name": "jobs.batch/DCGM_FI_DEV_VGPU_LICENSE_STATUS",
"name": "pods/DCGM_FI_DEV_GPU_TEMP",
"name": "jobs.batch/DCGM_FI_PROF_PIPE_TENSOR_ACTIVE",
"name": "pods/DCGM_FI_DEV_PCIE_REPLAY_COUNTER",
"name": "pods/DCGM_FI_DEV_TOTAL_ENERGY_CONSUMPTION",
"name": "jobs.batch/DCGM_FI_DEV_TOTAL_ENERGY_CONSUMPTION",
"name": "pods/DCGM_FI_DEV_FB_USED",
"name": "pods/DCGM_FI_DEV_VGPU_LICENSE_STATUS",
"name": "namespaces/DCGM_FI_DEV_MEMORY_TEMP",
"name": "jobs.batch/DCGM_FI_DEV_NVLINK_BANDWIDTH_TOTAL",
"name": "namespaces/DCGM_FI_DEV_SM_CLOCK",
"name": "namespaces/DCGM_FI_PROF_PIPE_TENSOR_ACTIVE",
"name": "namespaces/DCGM_FI_DEV_GPU_TEMP",
"name": "jobs.batch/DCGM_FI_DEV_GPU_TEMP",
"name": "namespaces/DCGM_FI_PROF_DRAM_ACTIVE",
"name": "namespaces/DCGM_FI_DEV_XID_ERRORS",
"name": "jobs.batch/DCGM_FI_DEV_FB_FREE",
"name": "pods/DCGM_FI_DEV_SM_CLOCK",
"name": "jobs.batch/DCGM_FI_DEV_PCIE_REPLAY_COUNTER",
"name": "jobs.batch/DCGM_FI_PROF_DRAM_ACTIVE",apiVersion: keda.sh/v1alpha1
kind: ScaledObject
metadata:
name: scaled-object
spec:
scaleTargetRef:
name: gpu-test
triggers:
- type: prometheus
metadata:
serverAddress: http://prometheus-kube-prometheus-prometheus.prometheus.svc.cluster.local:9090
metricName: engine_active
query: sum(DCGM_FI_PROF_GR_ENGINE_ACTIVE{modelName="NVIDIA A30", container="gpu-test"}) / count(DCGM_FI_PROF_GR_ENGINE_ACTIVE{modelName="NVIDIA A30", container="gpu-test"})
threshold: '0.8'