diff --git a/sysadmin/grid5000/cassandra/ansible/files/cassandra/prometheus-object-count.sh b/sysadmin/grid5000/cassandra/ansible/files/cassandra/prometheus-object-count.sh
new file mode 100755
index 0000000..9fb2dee
--- /dev/null
+++ b/sysadmin/grid5000/cassandra/ansible/files/cassandra/prometheus-object-count.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+outfile="/var/lib/prometheus/node-exporter/swhobjectscount.prom"
+tmpfile=$(mktemp /tmp/count.XXXXXX)
+
+cleanup() {
+    rm -f "$tmpfile"
+}
+trap cleanup INT TERM EXIT
+
+cqlsh "$(facter networking.ip)" -k swh -e "copy object_count (object_type, count) to '/tmp/count'"
+
+echo '# TYPE swh_objects_total gauge' >"${tmpfile}"
+
+while read object_type count; do
+  echo "swh_objects_total{type=\"${object_type}\"} ${count}" >> "${tmpfile}"
+done <<<"$(cat /tmp/count | tr ',' ' ' | tr -d '\r')"
+
+chmod 644 "$tmpfile"
+mv "$tmpfile" "$outfile"
diff --git a/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/cassandra_dashboard.json b/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/cassandra_dashboard.json
index 3dfa9fa..6d32ba5 100644
--- a/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/cassandra_dashboard.json
+++ b/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/cassandra_dashboard.json
@@ -1,621 +1,718 @@
 {
-    "annotations": {
-      "list": [
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": "-- Grafana --",
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "gnetId": null,
+  "graphTooltip": 0,
+  "id": 10,
+  "links": [],
+  "panels": [
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": null,
+      "fieldConfig": {
+        "defaults": {},
+        "overrides": []
+      },
+      "fill": 1,
+      "fillGradient": 0,
+      "gridPos": {
+        "h": 9,
+        "w": 24,
+        "x": 0,
+        "y": 0
+      },
+      "hiddenSeries": false,
+      "id": 6,
+      "legend": {
+        "alignAsTable": true,
+        "avg": false,
+        "current": false,
+        "max": true,
+        "min": false,
+        "rightSide": true,
+        "show": true,
+        "total": false,
+        "values": true
+      },
+      "lines": true,
+      "linewidth": 1,
+      "nullPointMode": "null",
+      "options": {
+        "alertThreshold": true
+      },
+      "percentage": false,
+      "pluginVersion": "7.5.4",
+      "pointradius": 2,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
         {
-          "builtIn": 1,
-          "datasource": "-- Grafana --",
-          "enable": true,
-          "hide": true,
-          "iconColor": "rgba(0, 211, 255, 1)",
-          "name": "Annotations & Alerts",
-          "type": "dashboard"
+          "exemplar": true,
+          "expr": "irate(cassandra_clientrequest_timeouts_count[5m]) >0",
+          "interval": "",
+          "legendFormat": "{{instance}} - {{clientrequest}}",
+          "refId": "A"
         }
-      ]
-    },
-    "editable": true,
-    "gnetId": null,
-    "graphTooltip": 0,
-    "id": 10,
-    "links": [],
-    "panels": [
-      {
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-        "bars": false,
-        "dashLength": 10,
-        "dashes": false,
-        "datasource": null,
-        "fieldConfig": {
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-        "fill": 1,
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-        "gridPos": {
-          "h": 9,
-          "w": 24,
-          "x": 0,
-          "y": 0
-        },
-        "hiddenSeries": false,
-        "id": 6,
-        "legend": {
-          "alignAsTable": true,
-          "avg": false,
-          "current": false,
-          "max": true,
-          "min": false,
-          "rightSide": true,
-          "show": true,
-          "total": false,
-          "values": true
-        },
-        "lines": true,
-        "linewidth": 1,
-        "nullPointMode": "null",
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-        "pointradius": 2,
-        "points": false,
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-        "spaceLength": 10,
-        "stack": false,
-        "steppedLine": false,
-        "targets": [
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-            "exemplar": true,
-            "expr": "irate(cassandra_clientrequest_timeouts_count[5m]) >0",
-            "interval": "",
-            "legendFormat": "{{instance}} - {{clientrequest}}",
-            "refId": "A"
-          }
-        ],
-        "thresholds": [],
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-        "title": "Client request timeout",
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-        "xaxis": {
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-          "values": []
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "Client request timeout",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
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-        "stack": true,
-        "steppedLine": false,
-        "targets": [
-          {
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-            "legendFormat": "{{instance}} - {{clientrequest}}",
-            "refId": "A"
-          }
-        ],
-        "thresholds": [],
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-        "timeRegions": [],
-        "timeShift": null,
-        "title": "Data occupation per node",
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-          }
-        ],
-        "yaxis": {
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+      "gridPos": {
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+      },
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+          "interval": "",
+          "legendFormat": "{{instance}} - {{clientrequest}}",
+          "refId": "A"
         }
+      ],
+      "thresholds": [],
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+      "timeRegions": [],
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-        },
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-          "x": 0,
-          "y": 18
-        },
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-        "id": 5,
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         }
+      ],
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diff --git a/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/swh_objects_dashboard.json b/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/swh_objects_dashboard.json
new file mode 100644
index 0000000..dd5ddaa
--- /dev/null
+++ b/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/swh_objects_dashboard.json
@@ -0,0 +1,3066 @@
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