(fleet/mimir) enable prometheus native histograms

Author: jhoblitt

fleet/lib/kube-prometheus-stack/aggregator/values.yaml

@@ -4,6 +4,7 @@ prometheus:
     externalUrl: https://prometheus.${ get .ClusterLabels "management.cattle.io/cluster-display-name" }.${ .ClusterLabels.site }.lsst.org
     remoteWrite:
       - url: http://mimir-distributed-gateway.mimir:80/api/v1/push
+        sendNativeHistograms: true
   ingress:
     enabled: true
     ingressClassName: nginx

fleet/lib/kube-prometheus-stack/fleet.yaml

@@ -96,9 +96,13 @@ targetCustomizations:
           prometheusSpec:
             remoteWrite: &cl-remotewrite
               - url: https://mimir.ruka.dev.lsst.org/api/v1/push
+                sendNativeHistograms: true
               - url: https://mimir.antu.ls.lsst.org/api/v1/push
+                sendNativeHistograms: true
               - url: https://mimir.kueyen.dev.lsst.org/api/v1/push
+                sendNativeHistograms: true
               - url: https://mimir.kona.dev.lsst.org/api/v1/push
+                sendNativeHistograms: true
   - name: cl-default
     clusterSelector:
       matchExpressions:
@@ -134,6 +138,7 @@ targetCustomizations:
           prometheusSpec:
             remoteWrite: &tu-remotewrite
               - url: https://mimir.pillan.tu.lsst.org/api/v1/push
+                sendNativeHistograms: true
   - name: tu-default
     clusterSelector:
       matchExpressions:

fleet/lib/mimir/values.yaml

@@ -46,8 +46,11 @@ mimir:
       max_global_series_per_user: 0
       max_global_series_per_metric: 0
       compactor_blocks_retention_period: 2y
+      native_histograms_ingestion_enabled: true  # prom native histograms
     compactor:
       deletion_delay: 12h
+    frontend:
+      query_result_response_format: protobuf  # prom native histograms
 
 compactor:
   persistentVolume: