From 9794ea5b63db346bb487f64a7d7532ccca5c48b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E8=B6=85?= <cclcwangchao@hotmail.com>
Date: Mon, 31 Jul 2023 14:07:09 +0800
Subject: [PATCH] ttl: add grafana chart for TTL events (#45645)

ref pingcap/tidb#39848
---
 metrics/grafana/tidb.json | 116 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 115 insertions(+), 1 deletion(-)

diff --git a/metrics/grafana/tidb.json b/metrics/grafana/tidb.json
index 6fb1b67d775cc..847c3e3fbdfb0 100644
--- a/metrics/grafana/tidb.json
+++ b/metrics/grafana/tidb.json
@@ -19344,7 +19344,7 @@
           "bars": false,
           "dashLength": 10,
           "dashes": false,
-          "datasource": "Test-Cluster",
+          "datasource": "${DS_TEST-CLUSTER}",
           "description": "TTL Schedule Delay is defined by \"MAX(0, now - lastSuccessJobTime - scheduleInterval)\"",
           "fieldConfig": {
             "defaults": {},
@@ -19599,6 +19599,120 @@
           "timeShift": null,
           "title": "TTL Insert/Delete Rows By Day",
           "type": "bargauge"
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "dashLength": 10,
+          "dashes": false,
+          "datasource": "${DS_TEST-CLUSTER}",
+          "description": "Count of event every minute for TTL",
+          "fieldConfig": {
+            "defaults": {},
+            "overrides": []
+          },
+          "fill": 0,
+          "fillGradient": 0,
+          "gridPos": {
+            "h": 8,
+            "w": 12,
+            "x": 0,
+            "y": 111
+          },
+          "hiddenSeries": false,
+          "id": 313,
+          "legend": {
+            "alignAsTable": true,
+            "avg": true,
+            "current": true,
+            "max": true,
+            "min": false,
+            "rightSide": true,
+            "show": true,
+            "total": false,
+            "values": true
+          },
+          "lines": true,
+          "linewidth": 1,
+          "nullPointMode": "null",
+          "options": {
+            "alertThreshold": true
+          },
+          "percentage": false,
+          "pluginVersion": "7.5.10",
+          "pointradius": 2,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "spaceLength": 10,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "exemplar": true,
+              "expr": "sum(increase(tidb_server_ttl_event_count{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m])) by (type)",
+              "interval": "",
+              "legendFormat": "ttl-{{ type }}",
+              "queryType": "randomWalk",
+              "refId": "A"
+            },
+            {
+              "exemplar": true,
+              "expr": "sum(increase(tidb_server_timer_event_count{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\", scope=\"hook.tidb.ttl\"}[1m])) by (type)",
+              "hide": false,
+              "interval": "",
+              "legendFormat": "hook-{{ type }}",
+              "refId": "B"
+            },
+            {
+              "exemplar": true,
+              "expr": "sum(increase(tidb_server_timer_event_count{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\", scope=~\"runtime\\\\.ttl.*\"}[1m])) by (type)",
+              "hide": false,
+              "interval": "",
+              "legendFormat": "runtime-{{ type }}",
+              "refId": "C"
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeRegions": [],
+          "timeShift": null,
+          "title": "TTL Event Count Per Minute",
+          "tooltip": {
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "buckets": null,
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": "0",
+              "show": true
+            },
+            {
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": false
+            }
+          ],
+          "yaxis": {
+            "align": false,
+            "alignLevel": null
+          }
         }
       ],
       "title": "TTL",