feat(grafana): enable shared tooltip, add raft engine throughput (#3387)

feat: enable shared tooltip, add raft engine throughput

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

grafana/greptimedb.json

@@ -66,7 +66,7 @@
   },
   "editable": true,
   "fiscalYearStartMonth": 0,
-  "graphTooltip": 0,
+  "graphTooltip": 1,
   "id": null,
   "links": [],
   "liveNow": false,
@@ -2116,7 +2116,7 @@
               }
             ]
           },
-          "unit": "bytes"
+          "unit": "none"
         },
         "overrides": []
       },
@@ -2126,7 +2126,7 @@
         "x": 0,
         "y": 61
       },
-      "id": 12,
+      "id": 17,
       "interval": "1s",
       "options": {
         "legend": {
@@ -2147,8 +2147,8 @@
             "uid": "${DS_PROMETHEUS-1}"
           },
           "disableTextWrap": false,
-          "editorMode": "builder",
-          "expr": "histogram_quantile(0.95, sum by(le) (rate(raft_engine_write_size_bucket[$__rate_interval])))",
+          "editorMode": "code",
+          "expr": "rate(raft_engine_sync_log_duration_seconds_count[2s])",
           "fullMetaSearch": false,
           "includeNullMetadata": false,
           "instant": false,
@@ -2158,7 +2158,7 @@
           "useBackend": false
         }
       ],
-      "title": "wal write size",
+      "title": "raft engine sync count",
       "type": "timeseries"
     },
     {
@@ -2378,6 +2378,120 @@
       ],
       "title": "raft engine write duration seconds",
       "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS-1}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "bytes"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 7,
+        "w": 12,
+        "x": 12,
+        "y": 68
+      },
+      "id": 12,
+      "interval": "1s",
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS-1}"
+          },
+          "disableTextWrap": false,
+          "editorMode": "code",
+          "expr": "histogram_quantile(0.95, sum by(le) (rate(raft_engine_write_size_bucket[$__rate_interval])))",
+          "fullMetaSearch": false,
+          "includeNullMetadata": false,
+          "instant": false,
+          "legendFormat": "req-size-p95",
+          "range": true,
+          "refId": "A",
+          "useBackend": false
+        },
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS-1}"
+          },
+          "editorMode": "code",
+          "expr": "rate(raft_engine_write_size_sum[$__rate_interval])",
+          "hide": false,
+          "instant": false,
+          "legendFormat": "throughput",
+          "range": true,
+          "refId": "B"
+        }
+      ],
+      "title": "wal write size",
+      "type": "timeseries"
     }
   ],
   "refresh": "10s",
@@ -2387,13 +2501,13 @@
     "list": []
   },
   "time": {
-    "from": "now-3h",
+    "from": "now-30m",
     "to": "now"
   },
   "timepicker": {},
   "timezone": "",
   "title": "GreptimeDB",
   "uid": "e7097237-669b-4f8d-b751-13067afbfb68",
-  "version": 9,
+  "version": 12,
   "weekStart": ""
 }