{
  "title": "hyperhive · gateway (nginx)",
  "uid": "hyperhive-gateway",
  "description": "The gateway nginx on each hive's host: request rate and connections.",
  "editable": true,
  "refresh": "1m",
  "schemaVersion": 39,
  "tags": ["hyperhive", "gateway", "nginx"],
  "time": {
    "from": "now-24h",
    "to": "now"
  },
  "timezone": "utc",
  "version": 1,
  "templating": {
    "list": [
      {
        "name": "hive",
        "label": "Hive",
        "type": "query",
        "datasource": {
          "type": "prometheus",
          "uid": "@datasourceUid@"
        },
        "query": "label_values({__name__=\"nginx.requests\"}, hive)",
        "refresh": 2,
        "includeAll": true,
        "allValue": ".*",
        "multi": true,
        "current": {
          "text": "All",
          "value": "$__all"
        },
        "sort": 1
      }
    ]
  },
  "panels": [
    {
      "id": 1,
      "type": "stat",
      "title": "Requests/s",
      "description": "Requests per second across the selected gateways.",
      "datasource": {
        "type": "prometheus",
        "uid": "@datasourceUid@"
      },
      "gridPos": {
        "h": 4,
        "w": 8,
        "x": 0,
        "y": 0
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "@datasourceUid@"
          },
          "expr": "sum(rate({__name__=\"nginx.requests\", hive=~\"$hive\"}[$__rate_interval])) or vector(0)",
          "instant": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "reqps",
          "decimals": 1,
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "text",
                "value": null
              }
            ]
          }
        },
        "overrides": []
      },
      "options": {
        "graphMode": "none",
        "colorMode": "value",
        "textMode": "value",
        "justifyMode": "auto",
        "reduceOptions": {
          "calcs": ["lastNotNull"],
          "fields": "",
          "values": false
        }
      }
    },
    {
      "id": 2,
      "type": "stat",
      "title": "Active connections",
      "description": "Open client connections now, across the selected gateways.",
      "datasource": {
        "type": "prometheus",
        "uid": "@datasourceUid@"
      },
      "gridPos": {
        "h": 4,
        "w": 8,
        "x": 8,
        "y": 0
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "@datasourceUid@"
          },
          "expr": "sum({__name__=\"nginx.connections_current\", hive=~\"$hive\", state=\"active\"}) or vector(0)",
          "instant": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "short",
          "decimals": 0,
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "text",
                "value": null
              }
            ]
          }
        },
        "overrides": []
      },
      "options": {
        "graphMode": "none",
        "colorMode": "value",
        "textMode": "value",
        "justifyMode": "auto",
        "reduceOptions": {
          "calcs": ["lastNotNull"],
          "fields": "",
          "values": false
        }
      }
    },
    {
      "id": 3,
      "type": "stat",
      "title": "Dropped connections",
      "description": "Connections accepted but not handled over the time range.",
      "datasource": {
        "type": "prometheus",
        "uid": "@datasourceUid@"
      },
      "gridPos": {
        "h": 4,
        "w": 8,
        "x": 16,
        "y": 0
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "@datasourceUid@"
          },
          "expr": "(sum(increase({__name__=\"nginx.connections_accepted\", hive=~\"$hive\"}[$__range])) - sum(increase({__name__=\"nginx.connections_handled\", hive=~\"$hive\"}[$__range]))) or vector(0)",
          "instant": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "short",
          "decimals": 0,
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "text",
                "value": null
              }
            ]
          }
        },
        "overrides": []
      },
      "options": {
        "graphMode": "none",
        "colorMode": "value",
        "textMode": "value",
        "justifyMode": "auto",
        "reduceOptions": {
          "calcs": ["lastNotNull"],
          "fields": "",
          "values": false
        }
      }
    },
    {
      "id": 4,
      "type": "timeseries",
      "title": "Requests per second",
      "description": "Requests per second, per hive.",
      "datasource": {
        "type": "prometheus",
        "uid": "@datasourceUid@"
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 4
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "@datasourceUid@"
          },
          "expr": "sum by (hive) (rate({__name__=\"nginx.requests\", hive=~\"$hive\"}[$__rate_interval]))",
          "legendFormat": "{{hive}}"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "reqps",
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "drawStyle": "line",
            "lineWidth": 1,
            "fillOpacity": 10,
            "showPoints": "never",
            "spanNulls": false,
            "axisSoftMin": 0
          }
        },
        "overrides": []
      },
      "options": {
        "legend": {
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true,
          "calcs": []
        },
        "tooltip": {
          "mode": "multi",
          "sort": "desc"
        }
      }
    },
    {
      "id": 5,
      "type": "timeseries",
      "title": "Connections by state",
      "description": "Client connections per state; active is reading + writing + waiting.",
      "datasource": {
        "type": "prometheus",
        "uid": "@datasourceUid@"
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 4
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "@datasourceUid@"
          },
          "expr": "sum by (hive, state) ({__name__=\"nginx.connections_current\", hive=~\"$hive\"})",
          "legendFormat": "{{hive}} {{state}}"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "short",
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "drawStyle": "line",
            "lineWidth": 1,
            "fillOpacity": 10,
            "showPoints": "never",
            "spanNulls": false,
            "axisSoftMin": 0
          }
        },
        "overrides": []
      },
      "options": {
        "legend": {
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true,
          "calcs": []
        },
        "tooltip": {
          "mode": "multi",
          "sort": "desc"
        }
      }
    },
    {
      "id": 6,
      "type": "timeseries",
      "title": "Accepted vs handled",
      "description": "Connections per second. A gap between the two lines is connections dropped.",
      "datasource": {
        "type": "prometheus",
        "uid": "@datasourceUid@"
      },
      "gridPos": {
        "h": 8,
        "w": 24,
        "x": 0,
        "y": 12
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "@datasourceUid@"
          },
          "expr": "sum by (hive) (rate({__name__=\"nginx.connections_accepted\", hive=~\"$hive\"}[$__rate_interval]))",
          "legendFormat": "{{hive}} accepted"
        },
        {
          "refId": "B",
          "datasource": {
            "type": "prometheus",
            "uid": "@datasourceUid@"
          },
          "expr": "sum by (hive) (rate({__name__=\"nginx.connections_handled\", hive=~\"$hive\"}[$__rate_interval]))",
          "legendFormat": "{{hive}} handled"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "cps",
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "drawStyle": "line",
            "lineWidth": 1,
            "fillOpacity": 10,
            "showPoints": "never",
            "spanNulls": false,
            "axisSoftMin": 0
          }
        },
        "overrides": []
      },
      "options": {
        "legend": {
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true,
          "calcs": []
        },
        "tooltip": {
          "mode": "multi",
          "sort": "desc"
        }
      }
    }
  ]
}