Make graphs not stacked.

Change-Id: I0360c60b78be6e8ddb7d5438ca2d42da591b6387
Prod-Related: PROD-20079

galera/files/grafana_dashboards/mysql_prometheus.json

   "annotations": {
     "list": [
       {
-        "$$hashKey": "object:467",
+        "$$hashKey": "object:84",
         "builtIn": 1,
         "datasource": "prometheus",
         "enable": true,
   "gnetId": null,
   "graphTooltip": 0,
   "id": null,
+  "iteration": 1529417287923,
   "links": [],
   "panels": [
     {
-      "collapsed": true,
+      "collapsed": false,
       "gridPos": {
         "h": 1,
         "w": 24,
     },
     {
       "cacheTimeout": null,
-      "colorBackground": true,
-      "colorValue": false,
+      "colorBackground": false,
+      "colorValue": true,
       "colors": [
         "rgba(245, 54, 54, 0.9)",
         "rgba(237, 129, 40, 0.89)",
       ],
       "repeat": null,
       "repeatDirection": "h",
-      "repeatIteration": 1529410558851,
+      "repeatIteration": 1529417287923,
       "repeatPanelId": 12,
       "scopedVars": {
         "host": {
       ],
       "repeat": null,
       "repeatDirection": "h",
-      "repeatIteration": 1529410558851,
+      "repeatIteration": 1529417287923,
       "repeatPanelId": 12,
       "scopedVars": {
         "host": {
       ],
       "repeat": null,
       "repeatDirection": "h",
-      "repeatIteration": 1529410558851,
+      "repeatIteration": 1529417287923,
       "repeatPanelId": 42,
       "scopedVars": {
         "host": {
       ],
       "repeat": null,
       "repeatDirection": "h",
-      "repeatIteration": 1529410558851,
+      "repeatIteration": 1529417287923,
       "repeatPanelId": 42,
       "scopedVars": {
         "host": {
       "dashLength": 10,
       "dashes": false,
       "datasource": "prometheus",
-      "fill": 4,
+      "fill": 1,
       "gridPos": {
         "h": 5,
         "w": 24,
       "renderer": "flot",
       "seriesOverrides": [],
       "spaceLength": 10,
-      "stack": true,
+      "stack": false,
       "steppedLine": false,
       "targets": [
         {
       }
     },
     {
-      "collapsed": true,
+      "collapsed": false,
       "gridPos": {
         "h": 1,
         "w": 24,
       "dashes": false,
       "datasource": "prometheus",
       "description": "Displays the average sizes of receive and send queues.",
-      "fill": 4,
+      "fill": 1,
       "gridPos": {
         "h": 6,
         "w": 12,
       "renderer": "flot",
       "seriesOverrides": [],
       "spaceLength": 10,
-      "stack": true,
+      "stack": false,
       "steppedLine": false,
       "targets": [
         {
       "dashes": false,
       "datasource": "prometheus",
       "description": "Displays the rate of flow control events.",
-      "fill": 4,
+      "fill": 1,
       "gridPos": {
         "h": 6,
         "w": 12,
       "renderer": "flot",
       "seriesOverrides": [],
       "spaceLength": 10,
-      "stack": true,
+      "stack": false,
       "steppedLine": false,
       "targets": [
         {
       "dashLength": 10,
       "dashes": false,
       "datasource": "prometheus",
-      "fill": 4,
+      "fill": 1,
       "gridPos": {
         "h": 7,
         "w": 12,
       "renderer": "flot",
       "seriesOverrides": [],
       "spaceLength": 10,
-      "stack": true,
+      "stack": false,
       "steppedLine": false,
       "targets": [
         {
       "dashLength": 10,
       "dashes": false,
       "datasource": "prometheus",
-      "fill": 4,
+      "fill": 1,
       "gridPos": {
         "h": 7,
         "w": 12,
       "renderer": "flot",
       "seriesOverrides": [],
       "spaceLength": 10,
-      "stack": true,
+      "stack": false,
       "steppedLine": false,
       "targets": [
         {
       "dashLength": 10,
       "dashes": false,
       "datasource": "prometheus",
-      "fill": 4,
+      "fill": 1,
       "gridPos": {
         "h": 7,
         "w": 12,
       "renderer": "flot",
       "seriesOverrides": [],
       "spaceLength": 10,
-      "stack": true,
+      "stack": false,
       "steppedLine": false,
       "targets": [
         {
       "dashLength": 10,
       "dashes": false,
       "datasource": "prometheus",
-      "fill": 4,
+      "fill": 1,
       "gridPos": {
         "h": 7,
         "w": 12,
       "renderer": "flot",
       "seriesOverrides": [],
       "spaceLength": 10,
-      "stack": true,
+      "stack": false,
       "steppedLine": false,
       "targets": [
         {
       "dashLength": 10,
       "dashes": false,
       "datasource": "prometheus",
-      "fill": 4,
+      "fill": 1,
       "gridPos": {
         "h": 7,
         "w": 12,
       "renderer": "flot",
       "seriesOverrides": [],
       "spaceLength": 10,
-      "stack": true,
+      "stack": false,
       "steppedLine": false,
       "targets": [
         {
   "timezone": "browser",
   "title": "MySQL",
   "uid": "",
-  "version": 1
+  "version": 2
 }
 {% endraw %}