diff --git a/dashboards/vmagent.json b/dashboards/vmagent.json
index 7e211cf2de..2c3fe6ec89 100644
--- a/dashboards/vmagent.json
+++ b/dashboards/vmagent.json
@@ -5,7 +5,7 @@
       "type": "grafana",
       "id": "grafana",
       "name": "Grafana",
-      "version": "8.0.0"
+      "version": "8.1.2"
     },
     {
       "type": "panel",
@@ -47,6 +47,12 @@
         "hide": true,
         "iconColor": "rgba(0, 211, 255, 1)",
         "name": "Annotations & Alerts",
+        "target": {
+          "limit": 100,
+          "matchAny": false,
+          "tags": [],
+          "type": "dashboard"
+        },
         "type": "dashboard"
       }
     ]
@@ -56,7 +62,7 @@
   "gnetId": null,
   "graphTooltip": 1,
   "id": null,
-  "iteration": 1623414948941,
+  "iteration": 1630485687361,
   "links": [
     {
       "icon": "doc",
@@ -88,10 +94,6 @@
     {
       "collapsed": false,
       "datasource": "$ds",
-      "fieldConfig": {
-        "defaults": {},
-        "overrides": []
-      },
       "gridPos": {
         "h": 1,
         "w": 24,
@@ -143,7 +145,7 @@
         "text": {},
         "textMode": "auto"
       },
-      "pluginVersion": "8.0.0",
+      "pluginVersion": "8.1.2",
       "targets": [
         {
           "expr": "sum(vm_promscrape_targets{job=~\"$job\", instance=~\"$instance\", status=\"up\"})",
@@ -207,7 +209,7 @@
         "text": {},
         "textMode": "auto"
       },
-      "pluginVersion": "8.0.0",
+      "pluginVersion": "8.1.2",
       "targets": [
         {
           "expr": "sum(vm_promscrape_targets{job=~\"$job\", instance=~\"$instance\", status=\"down\"})",
@@ -274,7 +276,7 @@
         "text": {},
         "textMode": "auto"
       },
-      "pluginVersion": "8.0.0",
+      "pluginVersion": "8.1.2",
       "targets": [
         {
           "expr": "sum(increase(vm_log_messages_total{job=~\"$job\", instance=~\"$instance\", level!=\"info\"}[30m]))",
@@ -333,7 +335,7 @@
         "text": {},
         "textMode": "auto"
       },
-      "pluginVersion": "8.0.0",
+      "pluginVersion": "8.1.2",
       "targets": [
         {
           "expr": "sum(vm_persistentqueue_bytes_pending{job=~\"$job\", instance=~\"$instance\"})",
@@ -483,7 +485,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.0.0",
+      "pluginVersion": "8.1.2",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -586,12 +588,13 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.0.0",
+      "pluginVersion": "8.1.2",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
       "seriesOverrides": [
         {
+          "$$hashKey": "object:457",
           "alias": "out",
           "transform": "negative-Y"
         }
@@ -698,7 +701,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.0.0",
+      "pluginVersion": "8.1.2",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -798,7 +801,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.0.0",
+      "pluginVersion": "8.1.2",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -872,7 +875,7 @@
       "dashLength": 10,
       "dashes": false,
       "datasource": "$ds",
-      "description": "Errors rate shows rate for multiple metrics that track possible errors in vmagent, such as network or parsing errors.",
+      "description": "Shows the persistent queue size of pending samples in bytes which hasn't been flushed to remote storage yet. \n\nIncreasing of value might be a sign of connectivity issues. In such cases, vmagent starts to flush pending data on disk with attempt to send it later once connection is restored.\n\nRemote write URLs are hidden by default but might be unveiled once `-remoteWrite.showURL` is set to true.",
       "fieldConfig": {
         "defaults": {
           "links": []
@@ -888,6 +891,218 @@
         "y": 16
       },
       "hiddenSeries": false,
+      "id": 17,
+      "legend": {
+        "alignAsTable": true,
+        "avg": true,
+        "current": true,
+        "max": true,
+        "min": false,
+        "show": true,
+        "sort": "current",
+        "sortDesc": true,
+        "total": false,
+        "values": true
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [
+        {
+          "title": "Troubleshooting",
+          "url": "https://docs.victoriametrics.com/vmagent.html#troubleshooting"
+        }
+      ],
+      "nullPointMode": "null",
+      "options": {
+        "alertThreshold": true
+      },
+      "percentage": false,
+      "pluginVersion": "8.1.2",
+      "pointradius": 2,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "exemplar": true,
+          "expr": "sum(vmagent_remotewrite_pending_data_bytes{job=~\"$job\", instance=~\"$instance\", url=~\"$url\"}) by (url)",
+          "interval": "",
+          "legendFormat": "{{url}}",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "Persistent queue size  ($instance) to ($url)",
+      "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": "0",
+          "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",
+      "description": "Shows rate of dropped samples from persistent queue. VMagent drops samples from queue if in-memory and on-disk queues are full and it is unable to flush them to remote storage.\nThe max size of on-disk queue is configured by `-remoteWrite.maxDiskUsagePerURL` flag.",
+      "fieldConfig": {
+        "defaults": {
+          "links": []
+        },
+        "overrides": []
+      },
+      "fill": 1,
+      "fillGradient": 0,
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 24
+      },
+      "hiddenSeries": false,
+      "id": 49,
+      "legend": {
+        "alignAsTable": true,
+        "avg": true,
+        "current": true,
+        "max": true,
+        "min": false,
+        "show": true,
+        "sort": "current",
+        "sortDesc": true,
+        "total": false,
+        "values": true
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [
+        {
+          "targetBlank": true,
+          "title": "Troubleshooting",
+          "url": "https://docs.victoriametrics.com/vmagent.html#troubleshooting"
+        }
+      ],
+      "nullPointMode": "null",
+      "options": {
+        "alertThreshold": true
+      },
+      "percentage": false,
+      "pluginVersion": "8.1.2",
+      "pointradius": 2,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "sum(increase(vm_persistentqueue_bytes_dropped_total{job=~\"$job\", instance=~\"$instance\"}[$__interval])) by (path)",
+          "interval": "",
+          "legendFormat": "{{ path }}",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "Persistent queue dropped rate ($instance)",
+      "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": "0",
+          "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",
+      "description": "Errors rate shows rate for multiple metrics that track possible errors in vmagent, such as network or parsing errors.",
+      "fieldConfig": {
+        "defaults": {
+          "links": []
+        },
+        "overrides": []
+      },
+      "fill": 1,
+      "fillGradient": 0,
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 24
+      },
+      "hiddenSeries": false,
       "id": 69,
       "legend": {
         "alignAsTable": true,
@@ -915,7 +1130,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.0.0",
+      "pluginVersion": "8.1.2",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -996,217 +1211,6 @@
         "alignLevel": null
       }
     },
-    {
-      "aliasColors": {},
-      "bars": false,
-      "dashLength": 10,
-      "dashes": false,
-      "datasource": "$ds",
-      "description": "Shows rate of dropped samples from persistent queue. VMagent drops samples from queue if in-memory and on-disk queues are full and it is unable to flush them to remote storage.\nThe max size of on-disk queue is configured by `-remoteWrite.maxDiskUsagePerURL` flag.",
-      "fieldConfig": {
-        "defaults": {
-          "links": []
-        },
-        "overrides": []
-      },
-      "fill": 1,
-      "fillGradient": 0,
-      "gridPos": {
-        "h": 8,
-        "w": 12,
-        "x": 0,
-        "y": 24
-      },
-      "hiddenSeries": false,
-      "id": 49,
-      "legend": {
-        "alignAsTable": true,
-        "avg": true,
-        "current": true,
-        "max": true,
-        "min": false,
-        "show": true,
-        "sort": "current",
-        "sortDesc": true,
-        "total": false,
-        "values": true
-      },
-      "lines": true,
-      "linewidth": 1,
-      "links": [
-        {
-          "targetBlank": true,
-          "title": "Troubleshooting",
-          "url": "https://docs.victoriametrics.com/vmagent.html#troubleshooting"
-        }
-      ],
-      "nullPointMode": "null",
-      "options": {
-        "alertThreshold": true
-      },
-      "percentage": false,
-      "pluginVersion": "8.0.0",
-      "pointradius": 2,
-      "points": false,
-      "renderer": "flot",
-      "seriesOverrides": [],
-      "spaceLength": 10,
-      "stack": false,
-      "steppedLine": false,
-      "targets": [
-        {
-          "expr": "sum(increase(vm_persistentqueue_bytes_dropped_total{job=~\"$job\", instance=~\"$instance\"}[$__interval])) by (path)",
-          "interval": "",
-          "legendFormat": "{{ path }}",
-          "refId": "A"
-        }
-      ],
-      "thresholds": [],
-      "timeFrom": null,
-      "timeRegions": [],
-      "timeShift": null,
-      "title": "Persistent queue dropped rate ($instance)",
-      "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": "0",
-          "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",
-      "description": "Shows the persistent queue size of pending samples in bytes which hasn't been flushed to remote storage yet. \n\nIncreasing of value might be a sign of connectivity issues. In such cases, vmagent starts to flush pending data on disk with attempt to send it later once connection is restored.\n\nRemote write URLs are hidden by default but might be unveiled once `-remoteWrite.showURL` is set to true.",
-      "fieldConfig": {
-        "defaults": {
-          "links": []
-        },
-        "overrides": []
-      },
-      "fill": 1,
-      "fillGradient": 0,
-      "gridPos": {
-        "h": 8,
-        "w": 12,
-        "x": 12,
-        "y": 24
-      },
-      "hiddenSeries": false,
-      "id": 17,
-      "legend": {
-        "alignAsTable": true,
-        "avg": true,
-        "current": true,
-        "max": true,
-        "min": false,
-        "show": true,
-        "sort": "current",
-        "sortDesc": true,
-        "total": false,
-        "values": true
-      },
-      "lines": true,
-      "linewidth": 1,
-      "links": [
-        {
-          "title": "Troubleshooting",
-          "url": "https://docs.victoriametrics.com/vmagent.html#troubleshooting"
-        }
-      ],
-      "nullPointMode": "null",
-      "options": {
-        "alertThreshold": true
-      },
-      "percentage": false,
-      "pluginVersion": "8.0.0",
-      "pointradius": 2,
-      "points": false,
-      "renderer": "flot",
-      "seriesOverrides": [],
-      "spaceLength": 10,
-      "stack": false,
-      "steppedLine": false,
-      "targets": [
-        {
-          "expr": "sum(vmagent_remotewrite_pending_data_bytes{job=~\"$job\", instance=~\"$instance\"}) by (url)",
-          "interval": "",
-          "legendFormat": "{{url}}",
-          "refId": "A"
-        }
-      ],
-      "thresholds": [],
-      "timeFrom": null,
-      "timeRegions": [],
-      "timeShift": null,
-      "title": "Persistent queue size  ($instance)",
-      "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": "0",
-          "show": true
-        },
-        {
-          "format": "short",
-          "label": null,
-          "logBase": 1,
-          "max": null,
-          "min": null,
-          "show": true
-        }
-      ],
-      "yaxis": {
-        "align": false,
-        "alignLevel": null
-      }
-    },
     {
       "aliasColors": {},
       "bars": false,
@@ -1256,7 +1260,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.0.0",
+      "pluginVersion": "8.1.2",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -1266,7 +1270,8 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "sum(rate(vmagent_remotewrite_global_relabel_metrics_dropped_total{job=~\"$job\", instance=~\"$instance\"}[$__interval]))",
+          "exemplar": true,
+          "expr": "sum(rate(vmagent_remotewrite_global_relabel_metrics_dropped_total{job=~\"$job\", instance=~\"$instance\", url=~\"$url\"}[$__interval]))",
           "interval": "",
           "legendFormat": "global",
           "refId": "A"
@@ -1282,7 +1287,7 @@
       "timeFrom": null,
       "timeRegions": [],
       "timeShift": null,
-      "title": "Rows dropped by relabeling ($instance)",
+      "title": "Rows dropped by relabeling ($instance) to ($url)",
       "tooltip": {
         "shared": true,
         "sort": 0,
@@ -1362,7 +1367,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "8.0.0",
+      "pluginVersion": "8.1.2",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -1373,9 +1378,9 @@
       "targets": [
         {
           "exemplar": true,
-          "expr": "sum(rate(vmagent_remotewrite_packets_dropped_total{job=~\"$job\", instance=~\"$instance\"}[$__interval]))",
+          "expr": "sum(rate(vmagent_remotewrite_packets_dropped_total{job=~\"$job\", instance=~\"$instance\", url=~\"$url\"}[$__interval])) by(url)",
           "interval": "",
-          "legendFormat": "dropped",
+          "legendFormat": "{{url}}",
           "refId": "A"
         }
       ],
@@ -1383,7 +1388,7 @@
       "timeFrom": null,
       "timeRegions": [],
       "timeShift": null,
-      "title": "Data blocks dropped ($instance)",
+      "title": "Data blocks dropped ($instance) to ($url)",
       "tooltip": {
         "shared": true,
         "sort": 0,
@@ -1421,17 +1426,118 @@
       }
     },
     {
-      "collapsed": true,
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
       "datasource": "$ds",
+      "description": "Shows the rate of logging the messages by their level. Unexpected spike in rate is a good reason to check logs.",
       "fieldConfig": {
-        "defaults": {},
+        "defaults": {
+          "links": []
+        },
         "overrides": []
       },
+      "fill": 1,
+      "fillGradient": 0,
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 40
+      },
+      "hiddenSeries": false,
+      "id": 86,
+      "legend": {
+        "alignAsTable": true,
+        "avg": true,
+        "current": true,
+        "max": true,
+        "min": false,
+        "show": true,
+        "sort": "current",
+        "sortDesc": true,
+        "total": false,
+        "values": true
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "options": {
+        "alertThreshold": true
+      },
+      "percentage": false,
+      "pluginVersion": "8.1.2",
+      "pointradius": 2,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "exemplar": true,
+          "expr": "sum(rate(vm_log_messages_total{job=\"$job\", instance=~\"$instance\"}[5m])) by (level) ",
+          "format": "time_series",
+          "hide": false,
+          "interval": "",
+          "intervalFactor": 1,
+          "legendFormat": "{{level}}",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "Logging rate ($instance)",
+      "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": "0",
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": "0",
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "collapsed": true,
+      "datasource": "$ds",
       "gridPos": {
         "h": 1,
         "w": 24,
         "x": 0,
-        "y": 40
+        "y": 48
       },
       "id": 28,
       "panels": [
@@ -1453,7 +1559,7 @@
             "h": 7,
             "w": 12,
             "x": 0,
-            "y": 2
+            "y": 41
           },
           "hiddenSeries": false,
           "id": 48,
@@ -1476,7 +1582,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -1553,7 +1659,7 @@
             "h": 7,
             "w": 12,
             "x": 12,
-            "y": 2
+            "y": 41
           },
           "hiddenSeries": false,
           "id": 76,
@@ -1576,7 +1682,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -1653,7 +1759,7 @@
             "h": 8,
             "w": 12,
             "x": 0,
-            "y": 9
+            "y": 48
           },
           "hiddenSeries": false,
           "id": 20,
@@ -1676,7 +1782,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -1762,7 +1868,7 @@
             "h": 8,
             "w": 12,
             "x": 12,
-            "y": 9
+            "y": 48
           },
           "hiddenSeries": false,
           "id": 31,
@@ -1785,7 +1891,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -1878,7 +1984,7 @@
             "h": 8,
             "w": 12,
             "x": 0,
-            "y": 17
+            "y": 56
           },
           "hiddenSeries": false,
           "id": 46,
@@ -1901,7 +2007,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -1984,7 +2090,7 @@
             "h": 8,
             "w": 12,
             "x": 12,
-            "y": 17
+            "y": 56
           },
           "heatmap": {},
           "hideZeroBuckets": false,
@@ -2037,15 +2143,11 @@
     {
       "collapsed": true,
       "datasource": "$ds",
-      "fieldConfig": {
-        "defaults": {},
-        "overrides": []
-      },
       "gridPos": {
         "h": 1,
         "w": 24,
         "x": 0,
-        "y": 41
+        "y": 49
       },
       "id": 71,
       "panels": [
@@ -2068,7 +2170,7 @@
             "h": 8,
             "w": 12,
             "x": 0,
-            "y": 3
+            "y": 42
           },
           "hiddenSeries": false,
           "id": 73,
@@ -2092,7 +2194,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2176,7 +2278,7 @@
             "h": 8,
             "w": 12,
             "x": 12,
-            "y": 3
+            "y": 42
           },
           "hiddenSeries": false,
           "id": 77,
@@ -2200,7 +2302,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2284,7 +2386,7 @@
             "h": 8,
             "w": 12,
             "x": 0,
-            "y": 11
+            "y": 50
           },
           "hiddenSeries": false,
           "id": 78,
@@ -2308,7 +2410,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2385,7 +2487,7 @@
             "h": 8,
             "w": 12,
             "x": 12,
-            "y": 11
+            "y": 50
           },
           "hiddenSeries": false,
           "id": 50,
@@ -2408,7 +2510,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2473,15 +2575,11 @@
     {
       "collapsed": true,
       "datasource": "$ds",
-      "fieldConfig": {
-        "defaults": {},
-        "overrides": []
-      },
       "gridPos": {
         "h": 1,
         "w": 24,
         "x": 0,
-        "y": 42
+        "y": 50
       },
       "id": 58,
       "panels": [
@@ -2527,7 +2625,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2537,7 +2635,8 @@
           "steppedLine": false,
           "targets": [
             {
-              "expr": "sum(rate(vmagent_remotewrite_requests_total{job=~\"$job\", instance=~\"$instance\"}[$__interval])) by(url, status_code)",
+              "exemplar": true,
+              "expr": "sum(rate(vmagent_remotewrite_requests_total{job=~\"$job\", instance=~\"$instance\", url=~\"$url\"}[$__interval])) by(url, status_code)",
               "interval": "",
               "legendFormat": "",
               "refId": "A"
@@ -2547,7 +2646,7 @@
           "timeFrom": null,
           "timeRegions": [],
           "timeShift": null,
-          "title": "Requests rate ($instance)",
+          "title": "Requests rate ($instance) to ($url)",
           "tooltip": {
             "shared": true,
             "sort": 0,
@@ -2627,7 +2726,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2637,6 +2736,7 @@
           "steppedLine": false,
           "targets": [
             {
+              "exemplar": true,
               "expr": "sum(rate(vmagent_remotewrite_conn_bytes_written_total{job=~\"$job\", instance=~\"$instance\"}[$__interval])) by(instance)",
               "interval": "",
               "legendFormat": "",
@@ -2726,7 +2826,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2737,7 +2837,7 @@
           "targets": [
             {
               "exemplar": true,
-              "expr": "sum(rate(vmagent_remotewrite_retries_count_total{job=~\"$job\", instance=~\"$instance\"}[$__interval])) by(url)",
+              "expr": "sum(rate(vmagent_remotewrite_retries_count_total{job=~\"$job\", instance=~\"$instance\", url=~\"$url\"}[$__interval])) by(url)",
               "interval": "",
               "legendFormat": "",
               "refId": "A"
@@ -2747,7 +2847,7 @@
           "timeFrom": null,
           "timeRegions": [],
           "timeShift": null,
-          "title": "Retry rate ($instance)",
+          "title": "Retry rate ($instance) to ($url)",
           "tooltip": {
             "shared": true,
             "sort": 0,
@@ -2826,7 +2926,7 @@
             "alertThreshold": true
           },
           "percentage": false,
-          "pluginVersion": "8.0.0",
+          "pluginVersion": "8.1.2",
           "pointradius": 2,
           "points": false,
           "renderer": "flot",
@@ -2836,6 +2936,7 @@
           "steppedLine": false,
           "targets": [
             {
+              "exemplar": true,
               "expr": "sum(vmagent_remotewrite_conns{job=~\"$job\", instance=~\"$instance\"}) by (instance)",
               "interval": "",
               "legendFormat": "",
@@ -2897,7 +2998,7 @@
           },
           "dataFormat": "tsbuckets",
           "datasource": "$ds",
-          "description": "Shows the remote write request block size distribution in rows.",
+          "description": "Shows the remote write request duration distribution in seconds. Value depends on block size, network quality and remote storage performance.",
           "gridPos": {
             "h": 8,
             "w": 12,
@@ -2907,6 +3008,184 @@
           "heatmap": {},
           "hideZeroBuckets": false,
           "highlightCards": true,
+          "id": 30,
+          "legend": {
+            "show": false
+          },
+          "reverseYBuckets": false,
+          "targets": [
+            {
+              "exemplar": true,
+              "expr": "buckets_limit(12, prometheus_buckets(sum(rate(vmagent_remotewrite_duration_seconds_bucket{job=~\"$job\", instance=~\"$instance\", url=~\"$url\"}[$__interval])) by(vmrange)))",
+              "format": "heatmap",
+              "interval": "",
+              "intervalFactor": 10,
+              "legendFormat": "{{le}}",
+              "refId": "A"
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "Push duration ($instance) to ($url)",
+          "tooltip": {
+            "show": true,
+            "showHistogram": false
+          },
+          "type": "heatmap",
+          "xAxis": {
+            "show": true
+          },
+          "xBucketNumber": null,
+          "xBucketSize": null,
+          "yAxis": {
+            "decimals": 2,
+            "format": "s",
+            "logBase": 1,
+            "max": null,
+            "min": null,
+            "show": true,
+            "splitFactor": null
+          },
+          "yBucketBound": "auto",
+          "yBucketNumber": null,
+          "yBucketSize": null
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "dashLength": 10,
+          "dashes": false,
+          "datasource": "$ds",
+          "description": "Shows saturation of every connection to remote storage. If the threshold of 0.9sec is reached, then the connection is saturated by more than 90% and vmagent won't be able to keep up. This usually means that `-remoteWrite.queues` command-line flag must be increased in order to increase the number of connections per each remote storage.\n",
+          "fieldConfig": {
+            "defaults": {
+              "links": []
+            },
+            "overrides": []
+          },
+          "fill": 1,
+          "fillGradient": 0,
+          "gridPos": {
+            "h": 8,
+            "w": 12,
+            "x": 12,
+            "y": 20
+          },
+          "hiddenSeries": false,
+          "id": 84,
+          "legend": {
+            "alignAsTable": true,
+            "avg": true,
+            "current": true,
+            "max": true,
+            "min": false,
+            "show": true,
+            "sort": "current",
+            "sortDesc": true,
+            "total": false,
+            "values": true
+          },
+          "lines": true,
+          "linewidth": 1,
+          "nullPointMode": "null",
+          "options": {
+            "alertThreshold": true
+          },
+          "percentage": false,
+          "pluginVersion": "8.1.2",
+          "pointradius": 2,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "spaceLength": 10,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "exemplar": true,
+              "expr": "sum(rate(vmagent_remotewrite_send_duration_seconds_total{job=~\"$job\", instance=~\"$instance\", url=~\"$url\"}[$__rate_interval])) by (instance, url)",
+              "interval": "",
+              "legendFormat": "",
+              "refId": "A"
+            }
+          ],
+          "thresholds": [
+            {
+              "$$hashKey": "object:683",
+              "colorMode": "critical",
+              "fill": true,
+              "line": true,
+              "op": "gt",
+              "value": 0.9,
+              "yaxis": "left"
+            }
+          ],
+          "timeFrom": null,
+          "timeRegions": [],
+          "timeShift": null,
+          "title": "Remote write connection saturation ($instance)",
+          "tooltip": {
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "buckets": null,
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "$$hashKey": "object:662",
+              "format": "s",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": "0",
+              "show": true
+            },
+            {
+              "$$hashKey": "object:663",
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ],
+          "yaxis": {
+            "align": false,
+            "alignLevel": null
+          }
+        },
+        {
+          "cards": {
+            "cardPadding": null,
+            "cardRound": null
+          },
+          "color": {
+            "cardColor": "#b4ff00",
+            "colorScale": "sqrt",
+            "colorScheme": "interpolateOranges",
+            "exponent": 0.5,
+            "mode": "spectrum"
+          },
+          "dataFormat": "tsbuckets",
+          "datasource": "$ds",
+          "description": "Shows the remote write request block size distribution in rows.",
+          "gridPos": {
+            "h": 8,
+            "w": 12,
+            "x": 0,
+            "y": 28
+          },
+          "heatmap": {},
+          "hideZeroBuckets": false,
+          "highlightCards": true,
           "id": 63,
           "legend": {
             "show": false
@@ -2914,6 +3193,7 @@
           "reverseYBuckets": false,
           "targets": [
             {
+              "exemplar": true,
               "expr": "buckets_limit(12, prometheus_buckets(sum(rate(vmagent_remotewrite_block_size_rows_bucket{job=~\"$job\", instance=~\"$instance\"}[$__interval])) by(vmrange)))",
               "format": "heatmap",
               "interval": "",
@@ -2967,7 +3247,7 @@
             "h": 8,
             "w": 12,
             "x": 12,
-            "y": 20
+            "y": 28
           },
           "heatmap": {},
           "hideZeroBuckets": false,
@@ -3012,71 +3292,6 @@
           "yBucketBound": "auto",
           "yBucketNumber": null,
           "yBucketSize": null
-        },
-        {
-          "cards": {
-            "cardPadding": null,
-            "cardRound": null
-          },
-          "color": {
-            "cardColor": "#b4ff00",
-            "colorScale": "sqrt",
-            "colorScheme": "interpolateOranges",
-            "exponent": 0.5,
-            "mode": "spectrum"
-          },
-          "dataFormat": "tsbuckets",
-          "datasource": "$ds",
-          "description": "Shows the remote write request duration distribution in seconds. Value depends on block size, network quality and remote storage performance.",
-          "gridPos": {
-            "h": 8,
-            "w": 24,
-            "x": 0,
-            "y": 28
-          },
-          "heatmap": {},
-          "hideZeroBuckets": false,
-          "highlightCards": true,
-          "id": 30,
-          "legend": {
-            "show": false
-          },
-          "reverseYBuckets": false,
-          "targets": [
-            {
-              "expr": "buckets_limit(12, prometheus_buckets(sum(rate(vmagent_remotewrite_duration_seconds_bucket{job=~\"$job\", instance=~\"$instance\"}[$__interval])) by(vmrange)))",
-              "format": "heatmap",
-              "interval": "",
-              "intervalFactor": 10,
-              "legendFormat": "{{le}}",
-              "refId": "A"
-            }
-          ],
-          "timeFrom": null,
-          "timeShift": null,
-          "title": "Push duration ($instance)",
-          "tooltip": {
-            "show": true,
-            "showHistogram": false
-          },
-          "type": "heatmap",
-          "xAxis": {
-            "show": true
-          },
-          "xBucketNumber": null,
-          "xBucketSize": null,
-          "yAxis": {
-            "decimals": 2,
-            "format": "s",
-            "logBase": 1,
-            "max": null,
-            "min": null,
-            "show": true,
-            "splitFactor": null
-          },
-          "yBucketBound": "auto",
-          "yBucketNumber": null,
-          "yBucketSize": null
         }
       ],
       "title": "Remote write",
@@ -3085,15 +3300,11 @@
     {
       "collapsed": true,
       "datasource": "$ds",
-      "fieldConfig": {
-        "defaults": {},
-        "overrides": []
-      },
       "gridPos": {
         "h": 1,
         "w": 24,
         "x": 0,
-        "y": 43
+        "y": 51
       },
       "id": 45,
       "panels": [
@@ -3942,11 +4153,34 @@
         "tagsQuery": "",
         "type": "query",
         "useTags": false
+      },
+      {
+        "allValue": ".*",
+        "current": {},
+        "datasource": "$ds",
+        "definition": "label_values(vmagent_remotewrite_requests_total{job=\"$job\", instance=~\"$instance\"}, url)",
+        "description": "The remote write URLs",
+        "error": null,
+        "hide": 0,
+        "includeAll": true,
+        "label": null,
+        "multi": true,
+        "name": "url",
+        "options": [],
+        "query": {
+          "query": "label_values(vmagent_remotewrite_requests_total{job=\"$job\", instance=~\"$instance\"}, url)",
+          "refId": "StandardVariableQuery"
+        },
+        "refresh": 1,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "type": "query"
       }
     ]
   },
   "time": {
-    "from": "now-1h",
+    "from": "now-30m",
     "to": "now"
   },
   "timepicker": {
diff --git a/deployment/docker/alerts.yml b/deployment/docker/alerts.yml
index 7632c4fa1b..e8c5025b51 100644
--- a/deployment/docker/alerts.yml
+++ b/deployment/docker/alerts.yml
@@ -276,3 +276,16 @@ groups:
           summary: "Job \"{{ $labels.job }}\" on instance {{ $labels.instance }} fails to push to remote storage"
           description: "Vmagent fails to push data via remote write protocol to destination \"{{ $labels.url }}\"\n
             Ensure that destination is up and reachable."
+
+      - alert: RemoteWriteConnectionIsSaturated
+        expr: rate(vmagent_remotewrite_send_duration_seconds_total[5m]) > 0.9
+        for: 15m
+        labels:
+          severity: warning
+        annotations:
+          dashboard: "http://localhost:3000/d/G7Z9GzMGz?viewPanel=84&var-instance={{ $labels.instance }}"
+          summary: "Remote write connection from \"{{ $labels.job }}\" (instance {{ $labels.instance }}) to {{ $labels.url }} is saturated"
+          description: "The remote write connection between vmagent \"{{ $labels.job }}\" (instance {{ $labels.instance }}) and destination \"{{ $labels.url }}\"
+            is saturated by more than 90% and vmagent won't be able to keep up.\n
+            This usually means that `-remoteWrite.queues` command-line flag must be increased in order to increase
+            the number of connections per each remote storage."
diff --git a/deployment/docker/docker-compose.yml b/deployment/docker/docker-compose.yml
index dbf2746d81..b6be8913ef 100644
--- a/deployment/docker/docker-compose.yml
+++ b/deployment/docker/docker-compose.yml
@@ -17,7 +17,7 @@ services:
 
   grafana:
     container_name: grafana
-    image: grafana/grafana:8.0.0
+    image: grafana/grafana:8.1.2
     depends_on:
       - "vmselect"
     ports: