{
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "type": "dashboard"
      }
    ]
  },
  "description": "TCS-IPTV MA 码系统运行监控面板 — 覆盖4金指标：Latency / Traffic / Errors / Saturation",
  "editable": true,
  "fiscalYearStartMonth": 0,
  "graphTooltip": 1,
  "id": null,
  "links": [],
  "liveNow": false,
  "panels": [
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      "title": "请求延迟 (Latency — P50/P95/P99)",
      "type": "timeseries",
      "datasource": "Prometheus",
      "gridPos": { "h": 8, "w": 12, "x": 0, "y": 0 },
      "fieldConfig": {
        "defaults": {
          "unit": "s",
          "color": { "mode": "palette-classic" }
        }
      },
      "targets": [
        {
          "expr": "histogram_quantile(0.50, sum(rate(tcs_http_request_duration_seconds_bucket[5m])) by (le))",
          "legendFormat": "P50",
          "refId": "A"
        },
        {
          "expr": "histogram_quantile(0.95, sum(rate(tcs_http_request_duration_seconds_bucket[5m])) by (le))",
          "legendFormat": "P95",
          "refId": "B"
        },
        {
          "expr": "histogram_quantile(0.99, sum(rate(tcs_http_request_duration_seconds_bucket[5m])) by (le))",
          "legendFormat": "P99",
          "refId": "C"
        }
      ]
    },
    {
      "title": "请求总量 (Traffic — QPS)",
      "type": "timeseries",
      "datasource": "Prometheus",
      "gridPos": { "h": 8, "w": 12, "x": 12, "y": 0 },
      "fieldConfig": {
        "defaults": {
          "unit": "reqps",
          "color": { "mode": "palette-classic" }
        }
      },
      "targets": [
        {
          "expr": "sum(rate(tcs_http_requests_total[1m])) by (method, path)",
          "legendFormat": "{{method}} {{path}}",
          "refId": "A"
        }
      ]
    },
    {
      "title": "错误率 (Errors — 4xx/5xx)",
      "type": "timeseries",
      "datasource": "Prometheus",
      "gridPos": { "h": 8, "w": 12, "x": 0, "y": 8 },
      "fieldConfig": {
        "defaults": {
          "unit": "reqps",
          "color": { "mode": "palette-classic" }
        }
      },
      "targets": [
        {
          "expr": "sum(rate(tcs_http_errors_total[5m])) by (method, path, status)",
          "legendFormat": "{{method}} {{path}} {{status}}",
          "refId": "A"
        }
      ]
    },
    {
      "title": "在途请求 (Saturation — 并发数)",
      "type": "stat",
      "datasource": "Prometheus",
      "gridPos": { "h": 8, "w": 6, "x": 12, "y": 8 },
      "fieldConfig": {
        "defaults": {
          "unit": "short",
          "thresholds": {
            "steps": [
              { "color": "green", "value": null },
              { "color": "yellow", "value": 50 },
              { "color": "red", "value": 100 }
            ]
          }
        }
      },
      "targets": [
        {
          "expr": "tcs_http_in_flight_requests",
          "legendFormat": "在途请求",
          "refId": "A"
        }
      ]
    },
    {
      "title": "错误率百分比",
      "type": "gauge",
      "datasource": "Prometheus",
      "gridPos": { "h": 8, "w": 6, "x": 18, "y": 8 },
      "fieldConfig": {
        "defaults": {
          "unit": "percentunit",
          "min": 0,
          "max": 1,
          "thresholds": {
            "steps": [
              { "color": "green", "value": null },
              { "color": "yellow", "value": 0.05 },
              { "color": "red", "value": 0.1 }
            ]
          }
        }
      },
      "targets": [
        {
          "expr": "sum(rate(tcs_http_errors_total[5m])) / sum(rate(tcs_http_requests_total[5m]))",
          "legendFormat": "错误率",
          "refId": "A"
        }
      ]
    },
    {
      "title": "按路径延迟热力图",
      "type": "heatmap",
      "datasource": "Prometheus",
      "gridPos": { "h": 8, "w": 24, "x": 0, "y": 16 },
      "targets": [
        {
          "expr": "sum(rate(tcs_http_request_duration_seconds_bucket[5m])) by (le, path)",
          "legendFormat": "{{path}}",
          "refId": "A",
          "format": "heatmap"
        }
      ],
      "options": {
        "calculate": false,
        "cellGap": 1,
        "color": {
          "scheme": "Spectral"
        }
      }
    }
  ],
  "refresh": "10s",
  "schemaVersion": 38,
  "style": "dark",
  "tags": ["tcs-iptv", "ma-code"],
  "templating": {
    "list": []
  },
  "time": {
    "from": "now-1h",
    "to": "now"
  },
  "timepicker": {},
  "timezone": "",
  "title": "TCS-IPTV MA 码系统监控",
  "uid": "tcs-iptv-monitor",
  "version": 1,
  "weekStart": ""
}