VPA recommender: use rate() to query CPU historical usage from promet…

…heus
kubernetes · Mar 25, 2019 · 63d93c6 · 63d93c6
1 parent 3c64796
commit 63d93c6
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/vertical-pod-autoscaler/pkg/recommender/input/history/history_provider.go b/vertical-pod-autoscaler/pkg/recommender/input/history/history_provider.go
@@ -190,7 +190,7 @@ func (p *prometheusHistoryProvider) GetClusterHistory() (map[model.PodID]*PodHis
 	podSelector := fmt.Sprintf("job=\"%s\", %s=~\".+\", %s!=\"POD\", %s!=\"\"",
 		p.config.CadvisorMetricsJobName, p.config.CtrPodNameLabel,
 		p.config.CtrNameLabel, p.config.CtrNameLabel)
-	err := p.readResourceHistory(res, fmt.Sprintf("container_cpu_usage_seconds_total{%s}[%s]", podSelector, p.config.HistoryLength), model.ResourceCPU)
+	err := p.readResourceHistory(res, fmt.Sprintf("rate(container_cpu_usage_seconds_total{%s}[%s])", podSelector, p.config.HistoryLength), model.ResourceCPU)
 	if err != nil {
 		return nil, fmt.Errorf("cannot get usage history: %v", err)
 	}

diff --git a/vertical-pod-autoscaler/pkg/recommender/input/history/history_provider_test.go b/vertical-pod-autoscaler/pkg/recommender/input/history/history_provider_test.go
@@ -27,7 +27,7 @@ import (
 )
 
 const (
-	cpuQuery    = "container_cpu_usage_seconds_total{job=\"kubernetes-cadvisor\", pod_name=~\".+\", name!=\"POD\", name!=\"\"}[8d]"
+	cpuQuery    = "rate(container_cpu_usage_seconds_total{job=\"kubernetes-cadvisor\", pod_name=~\".+\", name!=\"POD\", name!=\"\"}[8d])"
 	memoryQuery = "container_memory_usage_bytes{job=\"kubernetes-cadvisor\", pod_name=~\".+\", name!=\"POD\", name!=\"\"}[8d]"
 	labelsQuery = "up{job=\"kubernetes-pods\"}[8d]"
 )