diff --git a/dashboards/victoriametrics.json b/dashboards/victoriametrics.json
index dbf487439..ec8e666c0 100644
--- a/dashboards/victoriametrics.json
+++ b/dashboards/victoriametrics.json
@@ -65,7 +65,7 @@
   "gnetId": 10229,
   "graphTooltip": 0,
   "id": null,
-  "iteration": 1559857416920,
+  "iteration": 1562261153865,
   "links": [
     {
       "icon": "doc",
@@ -668,7 +668,7 @@
       "dashLength": 10,
       "dashes": false,
       "datasource": "${DS_PROMETHEUS}",
-      "description": "* `*` - unsupported query path\n* `/write` - insert into VM\n* `/metrics` - query VM system metrics\n* `/query` - query instant values\n* `/query_range` - query over a range of time\n* `/series` - match a certain label set\n* `/label/{}/values` - query a list of label values (variables mostly)",
+      "description": "Shows the number of active time series with new data points inserted during the last hour. High value may result in ingestion slowdown. \n\nSee following link for details:",
       "fill": 1,
       "gridPos": {
         "h": 8,
@@ -676,23 +676,27 @@
         "x": 0,
         "y": 19
       },
-      "id": 35,
+      "id": 51,
       "legend": {
-        "alignAsTable": true,
-        "avg": true,
-        "current": true,
+        "avg": false,
+        "current": false,
         "max": false,
         "min": false,
         "show": true,
-        "sort": "current",
-        "sortDesc": true,
         "total": false,
-        "values": true
+        "values": false
       },
       "lines": true,
       "linewidth": 1,
-      "links": [],
-      "nullPointMode": "null as zero",
+      "links": [
+        {
+          "targetBlank": true,
+          "title": "troubleshooting",
+          "type": "absolute",
+          "url": "https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/README.md#troubleshooting"
+        }
+      ],
+      "nullPointMode": "null",
       "options": {},
       "percentage": false,
       "pointradius": 2,
@@ -704,10 +708,10 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "sum(rate(vm_http_request_errors_total{job=\"$job\"}[$__interval])) by (path) > 0",
+          "expr": "vm_cache_entries{job=\"$job\", type=\"storage/hour_metric_ids\"}",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "{{path}}",
+          "legendFormat": "Active time series",
           "refId": "A"
         }
       ],
@@ -715,10 +719,10 @@
       "timeFrom": null,
       "timeRegions": [],
       "timeShift": null,
-      "title": "Requests error rate",
+      "title": "Active time series",
       "tooltip": {
         "shared": true,
-        "sort": 2,
+        "sort": 0,
         "value_type": "individual"
       },
       "type": "graph",
@@ -859,7 +863,7 @@
       "dashLength": 10,
       "dashes": false,
       "datasource": "${DS_PROMETHEUS}",
-      "description": "",
+      "description": "* `*` - unsupported query path\n* `/write` - insert into VM\n* `/metrics` - query VM system metrics\n* `/query` - query instant values\n* `/query_range` - query over a range of time\n* `/series` - match a certain label set\n* `/label/{}/values` - query a list of label values (variables mostly)",
       "fill": 1,
       "gridPos": {
         "h": 8,
@@ -867,20 +871,23 @@
         "x": 0,
         "y": 27
       },
-      "id": 37,
+      "id": 35,
       "legend": {
-        "avg": false,
-        "current": false,
+        "alignAsTable": true,
+        "avg": true,
+        "current": true,
         "max": false,
         "min": false,
-        "show": false,
+        "show": true,
+        "sort": "current",
+        "sortDesc": true,
         "total": false,
-        "values": false
+        "values": true
       },
       "lines": true,
       "linewidth": 1,
       "links": [],
-      "nullPointMode": "null",
+      "nullPointMode": "null as zero",
       "options": {},
       "percentage": false,
       "pointradius": 2,
@@ -892,11 +899,10 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "sum(vm_tcplistener_conns{job=\"$job\"})",
+          "expr": "sum(rate(vm_http_request_errors_total{job=\"$job\"}[$__interval])) by (path) > 0",
           "format": "time_series",
-          "hide": false,
           "intervalFactor": 1,
-          "legendFormat": "connections",
+          "legendFormat": "{{path}}",
           "refId": "A"
         }
       ],
@@ -904,10 +910,10 @@
       "timeFrom": null,
       "timeRegions": [],
       "timeShift": null,
-      "title": "TCP connections",
+      "title": "Requests error rate",
       "tooltip": {
         "shared": true,
-        "sort": 0,
+        "sort": 2,
         "value_type": "individual"
       },
       "type": "graph",
@@ -920,7 +926,6 @@
       },
       "yaxes": [
         {
-          "decimals": null,
           "format": "short",
           "label": null,
           "logBase": 1,
@@ -1031,13 +1036,102 @@
         "alignLevel": null
       }
     },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "${DS_PROMETHEUS}",
+      "description": "",
+      "fill": 1,
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 35
+      },
+      "id": 37,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": false,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "options": {},
+      "percentage": false,
+      "pointradius": 2,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "sum(vm_tcplistener_conns{job=\"$job\"})",
+          "format": "time_series",
+          "hide": false,
+          "intervalFactor": 1,
+          "legendFormat": "connections",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "TCP connections",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "decimals": null,
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
     {
       "collapsed": false,
       "gridPos": {
         "h": 1,
         "w": 24,
         "x": 0,
-        "y": 35
+        "y": 43
       },
       "id": 14,
       "panels": [],
@@ -1056,7 +1150,7 @@
         "h": 8,
         "w": 12,
         "x": 0,
-        "y": 36
+        "y": 44
       },
       "id": 10,
       "legend": {
@@ -1152,7 +1246,7 @@
         "h": 8,
         "w": 12,
         "x": 12,
-        "y": 36
+        "y": 44
       },
       "id": 34,
       "legend": {
@@ -1254,7 +1348,7 @@
         "h": 8,
         "w": 12,
         "x": 0,
-        "y": 44
+        "y": 52
       },
       "id": 30,
       "legend": {
@@ -1341,7 +1435,7 @@
         "h": 8,
         "w": 12,
         "x": 12,
-        "y": 44
+        "y": 52
       },
       "id": 36,
       "legend": {
@@ -1416,13 +1510,186 @@
         "alignLevel": null
       }
     },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "${DS_PROMETHEUS}",
+      "description": "Shows amount of on-disk space occupied by data points.",
+      "fill": 1,
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 60
+      },
+      "id": 53,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "options": {},
+      "percentage": false,
+      "pointradius": 2,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "sum(vm_data_size_bytes{job=\"$job\", type!=\"indexdb\"})",
+          "format": "time_series",
+          "intervalFactor": 1,
+          "legendFormat": "Size",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "Disk space usage (datapoints)",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "bytes",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "${DS_PROMETHEUS}",
+      "description": "Shows amount of on-disk space occupied by inverted index.",
+      "fill": 1,
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 60
+      },
+      "id": 55,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "options": {},
+      "percentage": false,
+      "pointradius": 2,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "vm_data_size_bytes{job=\"$job\", type=\"indexdb\"}",
+          "format": "time_series",
+          "intervalFactor": 1,
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "Disk space usage (index)",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "bytes",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
     {
       "collapsed": false,
       "gridPos": {
         "h": 1,
         "w": 24,
         "x": 0,
-        "y": 52
+        "y": 68
       },
       "id": 46,
       "panels": [],
@@ -1441,7 +1708,7 @@
         "h": 8,
         "w": 12,
         "x": 0,
-        "y": 53
+        "y": 69
       },
       "id": 44,
       "legend": {
@@ -1544,7 +1811,7 @@
         "h": 8,
         "w": 12,
         "x": 12,
-        "y": 53
+        "y": 69
       },
       "id": 42,
       "legend": {
@@ -1630,7 +1897,7 @@
         "h": 8,
         "w": 12,
         "x": 0,
-        "y": 61
+        "y": 77
       },
       "id": 47,
       "legend": {
@@ -1717,7 +1984,7 @@
         "h": 8,
         "w": 12,
         "x": 12,
-        "y": 61
+        "y": 77
       },
       "id": 48,
       "legend": {