{
  "title": "PostgreSQL & HikariCP Monitoring",
  "tags": ["database", "postgres", "hikaricp"],
  "timezone": "browser",
  "schemaVersion": 16,
  "version": 0,
  "refresh": "5s",
  "panels": [
    {
      "id": 1,
      "title": "Connection Pool Status - Active",
      "type": "stat",
      "gridPos": {"x": 0, "y": 0, "w": 6, "h": 4},
      "targets": [
        {
          "expr": "hikaricp_connections_active{application=\"todo\"}",
          "legendFormat": "Active",
          "refId": "A"
        }
      ],
      "options": {
        "colorMode": "value",
        "graphMode": "area"
      },
      "fieldConfig": {
        "defaults": {
          "unit": "short"
        }
      }
    },
    {
      "id": 2,
      "title": "Idle Connections",
      "type": "stat",
      "gridPos": {"x": 6, "y": 0, "w": 6, "h": 4},
      "targets": [
        {
          "expr": "hikaricp_connections_idle{application=\"todo\"}",
          "legendFormat": "Idle",
          "refId": "A"
        }
      ],
      "options": {
        "colorMode": "value",
        "graphMode": "area"
      },
      "fieldConfig": {
        "defaults": {
          "unit": "short"
        }
      }
    },
    {
      "id": 3,
      "title": "Total Connections",
      "type": "stat",
      "gridPos": {"x": 12, "y": 0, "w": 6, "h": 4},
      "targets": [
        {
          "expr": "hikaricp_connections{application=\"todo\"}",
          "legendFormat": "Total",
          "refId": "A"
        }
      ],
      "options": {
        "colorMode": "value",
        "graphMode": "area"
      },
      "fieldConfig": {
        "defaults": {
          "unit": "short"
        }
      }
    },
    {
      "id": 4,
      "title": "Pending Threads",
      "type": "stat",
      "gridPos": {"x": 18, "y": 0, "w": 6, "h": 4},
      "targets": [
        {
          "expr": "hikaricp_connections_pending{application=\"todo\"}",
          "legendFormat": "Pending",
          "refId": "A"
        }
      ],
      "options": {
        "colorMode": "value",
        "graphMode": "area"
      },
      "fieldConfig": {
        "defaults": {
          "unit": "short"
        }
      }
    },
    {
      "id": 5,
      "title": "Connection Pool Utilization (%)",
      "type": "timeseries",
      "gridPos": {"x": 0, "y": 4, "w": 12, "h": 8},
      "targets": [
        {
          "expr": "(hikaricp_connections_active{application=\"todo\"} / hikaricp_connections_max{application=\"todo\"}) * 100",
          "legendFormat": "Active %",
          "refId": "A"
        },
        {
          "expr": "(hikaricp_connections{application=\"todo\"} / hikaricp_connections_max{application=\"todo\"}) * 100",
          "legendFormat": "Total %",
          "refId": "B"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "percent",
          "min": 0,
          "max": 100,
          "custom": {}
        }
      }
    },
    {
      "id": 6,
      "title": "Connection Acquire Time",
      "type": "timeseries",
      "gridPos": {"x": 12, "y": 4, "w": 12, "h": 8},
      "targets": [
        {
          "expr": "histogram_quantile(0.5, rate(hikaricp_connections_acquire_seconds_bucket{application=\"todo\"}[1m]))",
          "legendFormat": "p50",
          "refId": "A"
        },
        {
          "expr": "histogram_quantile(0.95, rate(hikaricp_connections_acquire_seconds_bucket{application=\"todo\"}[1m]))",
          "legendFormat": "p95",
          "refId": "B"
        },
        {
          "expr": "histogram_quantile(0.99, rate(hikaricp_connections_acquire_seconds_bucket{application=\"todo\"}[1m]))",
          "legendFormat": "p99",
          "refId": "C"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "s",
          "custom": {}
        }
      }
    },
    {
      "id": 7,
      "title": "Connection Timeout Count",
      "type": "timeseries",
      "gridPos": {"x": 0, "y": 12, "w": 12, "h": 8},
      "targets": [
        {
          "expr": "rate(hikaricp_connections_timeout_total{application=\"todo\"}[1m])",
          "legendFormat": "Timeouts/sec",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "short",
          "custom": {}
        }
      }
    },
    {
      "id": 8,
      "title": "Connection Creation Time",
      "type": "timeseries",
      "gridPos": {"x": 12, "y": 12, "w": 12, "h": 8},
      "targets": [
        {
          "expr": "rate(hikaricp_connections_creation_seconds_sum{application=\"todo\"}[1m]) / rate(hikaricp_connections_creation_seconds_count{application=\"todo\"}[1m])",
          "legendFormat": "Avg Creation Time",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "s",
          "custom": {}
        }
      }
    },
    {
      "id": 9,
      "title": "Connection Usage Time",
      "type": "timeseries",
      "gridPos": {"x": 0, "y": 20, "w": 12, "h": 8},
      "targets": [
        {
          "expr": "rate(hikaricp_connections_usage_seconds_sum{application=\"todo\"}[1m]) / rate(hikaricp_connections_usage_seconds_count{application=\"todo\"}[1m])",
          "legendFormat": "Avg Usage Time",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "s",
          "custom": {}
        }
      }
    },
    {
      "id": 10,
      "title": "Active Connections Timeline",
      "type": "timeseries",
      "gridPos": {"x": 12, "y": 20, "w": 12, "h": 8},
      "targets": [
        {
          "expr": "hikaricp_connections_active{application=\"todo\"}",
          "legendFormat": "Active Connections",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "short",
          "custom": {}
        }
      }
    }
  ],
  "time": {
    "from": "now-15m",
    "to": "now"
  }
}