{
  "dashboard": {
    "id": null,
    "title": "Web Lab 4 Monitoring Dashboard",
    "tags": ["web-lab4", "java", "monitoring"],
    "timezone": "browser",
    "panels": [
      {
        "id": 1,
        "title": "Point Statistics",
        "type": "stat",
        "targets": [
          {
            "expr": "web4_points_total",
            "legendFormat": "Total Points",
            "refId": "A"
          },
          {
            "expr": "web4_points_hit",
            "legendFormat": "Hits",
            "refId": "B"
          },
          {
            "expr": "web4_points_missed",
            "legendFormat": "Misses",
            "refId": "C"
          }
        ],
        "fieldConfig": {
          "defaults": {
            "color": {
              "mode": "palette-classic"
            },
            "custom": {
              "displayMode": "list",
              "orientation": "horizontal"
            },
            "mappings": [],
            "thresholds": {
              "steps": [
                {"color": "green", "value": null}
              ]
            }
          }
        },
        "options": {
          "reduceOptions": {
            "values": false,
            "calcs": ["lastNotNull"],
            "fields": ""
          },
          "orientation": "auto",
          "textMode": "auto",
          "colorMode": "value",
          "graphMode": "area",
          "justifyMode": "auto"
        },
        "gridPos": {"h": 8, "w": 12, "x": 0, "y": 0}
      },
      {
        "id": 2,
        "title": "Hit Ratio",
        "type": "gauge",
        "targets": [
          {
            "expr": "web4_hit_ratio_percentage",
            "legendFormat": "Hit Ratio %",
            "refId": "A"
          }
        ],
        "fieldConfig": {
          "defaults": {
            "color": {
              "mode": "thresholds"
            },
            "mappings": [],
            "thresholds": {
              "steps": [
                {"color": "red", "value": null},
                {"color": "yellow", "value": 30},
                {"color": "green", "value": 50}
              ]
            },
            "unit": "percent",
            "min": 0,
            "max": 100
          }
        },
        "options": {
          "reduceOptions": {
            "values": false,
            "calcs": ["lastNotNull"],
            "fields": ""
          },
          "orientation": "auto",
          "textMode": "auto",
          "colorMode": "value"
        },
        "gridPos": {"h": 8, "w": 12, "x": 12, "y": 0}
      },
      {
        "id": 3,
        "title": "Memory Usage Over Time",
        "type": "timeseries",
        "targets": [
          {
            "expr": "web4_memory_used_mb",
            "legendFormat": "Memory Used (MB)",
            "refId": "A"
          },
          {
            "expr": "web4_memory_usage_percentage",
            "legendFormat": "Memory Usage %",
            "refId": "B"
          }
        ],
        "fieldConfig": {
          "defaults": {
            "color": {
              "mode": "palette-classic"
            },
            "custom": {
              "axisLabel": "",
              "axisPlacement": "auto",
              "barAlignment": 0,
              "drawStyle": "line",
              "fillOpacity": 10,
              "gradientMode": "none",
              "hideFrom": {
                "legend": false,
                "tooltip": false,
                "vis": false
              },
              "lineInterpolation": "linear",
              "lineWidth": 1,
              "pointSize": 5,
              "scaleDistribution": {
                "type": "linear"
              },
              "showPoints": "never",
              "spanNulls": true,
              "stacking": {
                "group": "A",
                "mode": "none"
              },
              "thresholdsStyle": {
                "mode": "off"
              }
            },
            "mappings": [],
            "thresholds": {
              "steps": [
                {"color": "green", "value": null}
              ]
            },
            "unit": "short"
          }
        },
        "options": {
          "legend": {
            "calcs": [],
            "displayMode": "list",
            "placement": "bottom"
          },
          "tooltip": {
            "mode": "single",
            "sort": "none"
          }
        },
        "gridPos": {"h": 8, "w": 24, "x": 0, "y": 8}
      },
      {
        "id": 4,
        "title": "Request Metrics",
        "type": "timeseries",
        "targets": [
          {
            "expr": "increase(web4_request_count[1m])",
            "legendFormat": "Requests/minute",
            "refId": "A"
          },
          {
            "expr": "web4_average_response_time_ms",
            "legendFormat": "Avg Response Time (ms)",
            "refId": "B"
          }
        ],
        "fieldConfig": {
          "defaults": {
            "color": {
              "mode": "palette-classic"
            },
            "custom": {
              "axisLabel": "",
              "axisPlacement": "auto",
              "barAlignment": 0,
              "drawStyle": "line",
              "fillOpacity": 10,
              "gradientMode": "none",
              "hideFrom": {
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                "tooltip": false,
                "vis": false
              },
              "lineInterpolation": "linear",
              "lineWidth": 1,
              "pointSize": 5,
              "scaleDistribution": {
                "type": "linear"
              },
              "showPoints": "never",
              "spanNulls": true,
              "stacking": {
                "group": "A",
                "mode": "none"
              },
              "thresholdsStyle": {
                "mode": "off"
              }
            },
            "mappings": [],
            "thresholds": {
              "steps": [
                {"color": "green", "value": null}
              ]
            },
            "unit": "short"
          }
        },
        "options": {
          "legend": {
            "calcs": [],
            "displayMode": "list",
            "placement": "bottom"
          },
          "tooltip": {
            "mode": "single",
            "sort": "none"
          }
        },
        "gridPos": {"h": 8, "w": 24, "x": 0, "y": 16}
      }
    ],
    "time": {
      "from": "now-1h",
      "to": "now"
    },
    "refresh": "5s",
    "schemaVersion": 27,
    "version": 1
  }
}