Merge pull request #6996 from zalando-incubator/increase-karpenter-default-resources

Give karpenter more memory by default

Author: mikkeloscar

cluster/config-defaults.yaml

@@ -29,7 +29,7 @@ cluster_autoscaler_max_usnchedulable_pods_considered: "1000"
 
 # karpenter settings
 karpenter_controller_cpu: "25m"
-karpenter_controller_memory: "100Mi"
+karpenter_controller_memory: "256Mi"
 # set log level of karpenter: error|debug
 karpenter_log_level: "error"
 

cluster/manifests/z-karpenter/vpa.yaml

@@ -25,8 +25,8 @@ spec:
         {{ range $NodePool := .Cluster.NodePools}}
         {{ if eq $NodePool.Name "default-master" }}
           # Scaling is relative to r6g.large (smallest master node)
-          # 0.016 -> ~250Mi memory, 0.027 -> ~50m CPU
-          memory: {{ scaleQuantity (instanceTypeMemoryQuantity (index .InstanceTypes 0)) 0.016 }}
+          # 0.064 -> ~1024Mi memory, 0.027 -> ~50m CPU
+          memory: {{ scaleQuantity (instanceTypeMemoryQuantity (index .InstanceTypes 0)) 0.064 }}
           cpu: {{ scaleQuantity (instanceTypeCPUQuantity (index .InstanceTypes 0)) 0.027 }}
         {{ end }}
         {{ end }}