add hpa behavior

trinodb · Jan 15, 2024 · c991681 · c991681
1 parent 97f640a
commit c991681
Show file tree

Hide file tree

Showing 3 changed files with 30 additions and 2 deletions.
diff --git a/charts/trino/README.md b/charts/trino/README.md
@@ -34,6 +34,7 @@ The following table lists the configurable parameters of the Trino chart and the
 | `server.autoscaling.enabled` |  | `false` |
 | `server.autoscaling.maxReplicas` |  | `5` |
 | `server.autoscaling.targetCPUUtilizationPercentage` |  | `50` |
+| `server.autoscaling.behavior` |  | `{}` |
 | `accessControl` |  | `{}` |
 | `additionalNodeProperties` |  | `{}` |
 | `additionalConfigProperties` |  | `{}` |

diff --git a/charts/trino/templates/autoscaler.yaml b/charts/trino/templates/autoscaler.yaml
@@ -1,5 +1,5 @@
 {{- if .Values.server.autoscaling.enabled -}}
-apiVersion: autoscaling/v1
+apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler
 metadata:
   name: {{ template "trino.worker" . }}
@@ -14,5 +14,15 @@ spec:
     apiVersion: apps/v1
     kind: Deployment
     name: {{ template "trino.worker" . }}
-  targetCPUUtilizationPercentage: {{ .Values.server.autoscaling.targetCPUUtilizationPercentage }}
+  metrics:
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.server.autoscaling.targetCPUUtilizationPercentage }}
+  {{ if .Values.server.autoscaling.behavior -}}
+  behavior: 
+    {{- toYaml .Values.server.autoscaling.behavior | nindent 4 }}
+  {{- end }}
 {{- end }}
diff --git a/charts/trino/values.yaml b/charts/trino/values.yaml
@@ -44,6 +44,23 @@ server:
     enabled: false
     maxReplicas: 5
     targetCPUUtilizationPercentage: 50
+    behavior: {}
+    #  scaleDown:
+    #    stabilizationWindowSeconds: 300
+    #    policies:
+    #    - type: Percent
+    #      value: 100
+    #      periodSeconds: 15
+    #  scaleUp:
+    #    stabilizationWindowSeconds: 0
+    #    policies:
+    #    - type: Percent
+    #      value: 100
+    #      periodSeconds: 15
+    #    - type: Pods
+    #      value: 4
+    #      periodSeconds: 15
+    #    selectPolicy: Max
 
 accessControl: {}
   # type: configmap