diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02d1e84ee88..22932b249a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -468,7 +468,7 @@
 * [CHANGE] Enabled resources dashboards by default. Can be disabled setting `resources_dashboards_enabled` config field to `false`. #920
 * [FEATURE] Added `Cortex / Overrides` dashboard, displaying default limits and per-tenant overrides applied to Mimir. #673
 * [FEATURE] Added `Mimir / Tenants` and `Mimir / Top tenants` dashboards, displaying user-based metrics. #776
-* [FEATURE] Added querier autoscaling panels and alerts. #1006
+* [FEATURE] Added querier autoscaling panels and alerts. #1006 #1016
 * [ENHANCEMENT] cortex-mixin: Make `cluster_namespace_deployment:kube_pod_container_resource_requests_{cpu_cores,memory_bytes}:sum` backwards compatible with `kube-state-metrics` v2.0.0. [#317](https://github.com/grafana/cortex-jsonnet/pull/317)
 * [ENHANCEMENT] Cortex-mixin: Include `cortex-gw-internal` naming variation in default `gateway` job names. [#328](https://github.com/grafana/cortex-jsonnet/pull/328)
 * [ENHANCEMENT] Ruler dashboard: added object storage metrics. [#354](https://github.com/grafana/cortex-jsonnet/pull/354)
diff --git a/operations/mimir-mixin-compiled/dashboards/mimir-reads.json b/operations/mimir-mixin-compiled/dashboards/mimir-reads.json
index d03a828b77c..2ef50dc4c33 100644
--- a/operations/mimir-mixin-compiled/dashboards/mimir-reads.json
+++ b/operations/mimir-mixin-compiled/dashboards/mimir-reads.json
@@ -1571,22 +1571,6 @@
                   "dashes": false,
                   "datasource": "$datasource",
                   "description": "### Scaling metric\nThis panel shows the result of the query used as scaling metric and target/threshold used.\nThe desired number of replicas is computed by HPA as: <scaling metric> / <target per replica>.\n\n",
-                  "fieldConfig": {
-                     "overrides": [
-                        {
-                           "matcher": {
-                              "id": "byName",
-                              "options": "Target per replica"
-                           },
-                           "properties": [
-                              {
-                                 "id": "custom.axisPlacement",
-                                 "value": "right"
-                              }
-                           ]
-                        }
-                     ]
-                  },
                   "fill": 1,
                   "id": 20,
                   "legend": {
@@ -1606,7 +1590,12 @@
                   "pointradius": 5,
                   "points": false,
                   "renderer": "flot",
-                  "seriesOverrides": [ ],
+                  "seriesOverrides": [
+                     {
+                        "alias": "Target per replica",
+                        "yaxis": 2
+                     }
+                  ],
                   "spaceLength": 10,
                   "span": 4,
                   "stack": false,
@@ -1663,7 +1652,7 @@
                         "logBase": 1,
                         "max": null,
                         "min": null,
-                        "show": false
+                        "show": true
                      }
                   ]
                },
@@ -1700,7 +1689,7 @@
                   "steppedLine": false,
                   "targets": [
                      {
-                        "expr": "sum(rate(keda_metrics_adapter_scaler_errors[$__rate_interval])) +\non(metric) group_left\nlabel_replace(\n    kube_horizontalpodautoscaler_spec_target_metric{cluster=~\"$cluster\", namespace=~\"$namespace\", horizontalpodautoscaler=\"keda-hpa-querier\"}\n    * 0, \"metric\", \"$1\", \"metric_name\", \"(.+)\"\n)\n",
+                        "expr": "sum by(metric) (rate(keda_metrics_adapter_scaler_errors[$__rate_interval])) +\non(metric) group_left\nlabel_replace(\n    kube_horizontalpodautoscaler_spec_target_metric{cluster=~\"$cluster\", namespace=~\"$namespace\", horizontalpodautoscaler=\"keda-hpa-querier\"}\n    * 0, \"metric\", \"$1\", \"metric_name\", \"(.+)\"\n)\n",
                         "format": "time_series",
                         "interval": "15s",
                         "intervalFactor": 2,
diff --git a/operations/mimir-mixin/dashboards/dashboard-utils.libsonnet b/operations/mimir-mixin/dashboards/dashboard-utils.libsonnet
index f2fbf9f774d..cf646ab0815 100644
--- a/operations/mimir-mixin/dashboards/dashboard-utils.libsonnet
+++ b/operations/mimir-mixin/dashboards/dashboard-utils.libsonnet
@@ -575,24 +575,21 @@ local utils = import 'mixin-utils/utils.libsonnet';
       namespace: $.namespaceMatcher(),
     },
 
-  panelAxisPlacement(seriesName, placement):: {
-    fieldConfig+: {
-      overrides+: [
+  // panelAxisPlacement allows to place a series on the right axis.
+  // This function supports the old Graph panel.
+  panelAxisPlacement(seriesName, placement)::
+    if placement != 'right' then {} else {
+      seriesOverrides+: [
         {
-          matcher: {
-            id: 'byName',
-            options: seriesName,
-          },
-          properties: [
-            {
-              id: 'custom.axisPlacement',
-              value: placement,
-            },
-          ],
+          alias: seriesName,
+          yaxis: 2,
         },
       ],
+      // Ensure all Y-axis are displayed (default is that right axis is hidden).
+      yaxes: std.map(function(entry) entry {
+        show: true,
+      }, super.yaxes),
     },
-  },
 
   panelDescription(title, description):: {
     description: |||
diff --git a/operations/mimir-mixin/dashboards/reads.libsonnet b/operations/mimir-mixin/dashboards/reads.libsonnet
index e5ca2b78f5a..48a2794f0c9 100644
--- a/operations/mimir-mixin/dashboards/reads.libsonnet
+++ b/operations/mimir-mixin/dashboards/reads.libsonnet
@@ -248,7 +248,7 @@ local utils = import 'mixin-utils/utils.libsonnet';
         local title = 'Autoscaler failures rate';
         $.panel(title) +
         $.queryPanel(
-          $.filterKedaMetricByHPA('sum(rate(keda_metrics_adapter_scaler_errors[$__rate_interval]))', $._config.autoscaling.querier_hpa_name),
+          $.filterKedaMetricByHPA('sum by(metric) (rate(keda_metrics_adapter_scaler_errors[$__rate_interval]))', $._config.autoscaling.querier_hpa_name),
           'Failures per second'
         ) +
         $.panelDescription(