Prometheus: Streaming JSON parser performance improvements (#48792)

pkg/services/featuremgmt/registry.go

@@ -249,5 +249,10 @@ var (
 			State:           FeatureStateAlpha,
 			RequiresRestart: true,
 		},
+		{
+			Name:        "prometheusWideSeries",
+			Description: "Enable wide series responses in the Prometheus datasource",
+			State:       FeatureStateAlpha,
+		},
 	}
 )

pkg/services/featuremgmt/toggles_gen.go

@@ -182,4 +182,8 @@ const (
 	// FlagValidateDashboardsOnSave
 	// Validate dashboard JSON POSTed to api/dashboards/db
 	FlagValidateDashboardsOnSave = "validateDashboardsOnSave"
+
+	// FlagPrometheusWideSeries
+	// Enable wide series responses in the Prometheus datasource
+	FlagPrometheusWideSeries = "prometheusWideSeries"
 )