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Troubleshooting Guide

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Cyrusbye720 edited this page May 30, 2026 · 7 revisions

Troubleshooting Guide

Symptom-based guide organized by category. Each entry: symptoms → likely cause → debugging steps → resolution.

Connection Issues

Players can't connect to any lobby

Symptoms:

  • Players see "No lobby found! (all servers unavailable)" when typing /lobby
  • New players can't join the network at all

Likely cause: All lobby servers are offline or unreachable from the proxy.

Debugging steps:

  1. Check if backend servers are running: vn debug server lobby-1
  2. Check circuit breaker states: /vn status
  3. Check if all servers are drained: /vn drain status
  4. Check the proxy console for connection errors

Resolution:

  • Start the backend servers
  • If circuit breakers are all OPEN, run /vn reload to reset them
  • If servers are accidentally drained, run /vn undrain <server>
  • Enable degradation mode as a safety net: 
    [degradation]
enabled = true
mode = "random"

Players get "No lobby found" intermittently

Symptoms:

  • Sometimes /lobby works, sometimes it doesn't
  • Error appears during peak times

Likely cause: Health check timeouts causing servers to be temporarily excluded.

Debugging steps:

  1. Check health check timeout: is timeout_ms too low for your servers?
  2. Check if servers are hitting the max_players cap
  3. Run /vn debug server <name> during peak time

Resolution:

  • Increase health check timeout: 
    [health_checks]
timeout_ms = 1000  # Increase from 500
  • Increase max_players caps or set to -1 (uncapped)
  • Reduce cache_seconds for more responsive health checks

Connection fails, then player is stuck

Symptoms:

  • Player uses /lobby, connection starts but fails
  • Player stays on their current server
  • No retry attempt is made

Likely cause: max_retries is set to 0, or retry message is empty.

Debugging steps:

  1. Check max_retries in config: 
    [routing]
max_retries = 2  # Should be > 0
  2. Check the console for connection failure logs

Resolution:

  • Set max_retries to at least 2
  • Verify the messages.retrying message is configured

Routing Issues

Uneven player distribution

Symptoms:

  • One lobby server has many more players than others
  • /vn status shows unbalanced distribution

Likely causes and fixes:

Cause How to Check Fix
Using random with few players Check selection_mode Switch to least_players or power_of_two
Server is drained /vn drain status /vn undrain <server>
Circuit breaker is OPEN /vn debug server <name> Fix the server or /vn reload to reset breakers
Unequal weights in WRR Check config default_lobbies Adjust weight values or switch modes
max_players too low Check LobbyEntry config Increase max_players or set to -1
Bursty traffic Check connection timestamps Switch to least_connections for EMA smoothing

Players always go to the same server

Symptoms:

  • All players end up on one lobby regardless of load
  • Other lobbies stay empty

Likely cause: Using consistent_hash mode with few players, or only one healthy server.

Debugging steps:

  1. Check selection mode: /vn status
  2. Check how many servers are healthy: /vn debug server <name> for each lobby
  3. Check circuit breaker states

Resolution:

  • If using consistent_hash: this is expected behavior — players with the same UUID always go to the same server. Switch to power_of_two or least_players for even distribution.
  • If only one server is healthy: fix the other servers or reduce failure_threshold if they're being incorrectly marked as unhealthy.

Player affinity keeps sending players back to a bad server

Symptoms:

  • Player keeps getting routed to a server they don't want
  • Even after a server was temporarily down, players return to it immediately when it recovers

Likely cause: Player affinity (sticky sessions) is sending players back to their previously connected lobby due to the 0.7 stickiness factor.

Resolution:

  • You can tune or disable player affinity entirely in your navigator.toml under the [routing.affinity] block: 
    [routing.affinity]
enabled = true       # Set to false to completely disable sticky sessions
stickiness = 0.4     # Decrease from 0.7 to reduce stickiness chance (40% chance)
  • If a server is completely down, the affinity system will naturally skip it because it is missing from the healthy candidates list.
  • If a server is running but in an unhealthy state, ensure health checks and circuit breakers are enabled so the proxy excludes it from the selection pool automatically.

Health Check Issues

Servers showing as offline when they're running

Symptoms:

  • /vn debug server shows a server as unhealthy
  • Server is clearly running and players can connect directly

Likely cause: Health check timeout too low, or network latency between proxy and backend.

Debugging steps:

  1. Check the latency in debug output: /vn debug server <name>
  2. Compare the latency with your timeout_ms setting

Resolution:

  • Increase timeout: 
    [health_checks]
timeout_ms = 1000  # or higher for high-latency setups

Circuit breaker keeps opening

Symptoms:

  • Servers repeatedly get excluded from routing
  • Circuit breaker cycles between OPEN and HALF_OPEN

Likely cause: Intermittent health check failures (network blips, server GC pauses).

Debugging steps:

  1. Check the failure threshold — is it too low?
  2. Monitor server TPS and GC behavior
  3. Check network stability between proxy and backend

Resolution:

  • Increase failure_threshold: 
    [circuit_breaker]
failure_threshold = 5  # Increase from 3
  • Increase cooldown_seconds to give servers more time to recover
  • Increase half_open_max_tests to require more successful tests before closing

Command & Permission Issues

Command /lobby is unrecognized or says "No permission"

Symptoms:

  • Ordinary players type /lobby (or configured aliases like /hub) and get "You do not have permission to use this command."
  • The command doesn't show up in chat autocomplete/tab-completion for players.

Likely cause: A custom commands.permission is set in the config, or the default "none" was overridden in a prior version.

Debugging steps:

  1. Check if the player has the velocitynavigator.use permission.
  2. Check the permission setting in navigator.toml.

Resolution:

  • Assign players the velocitynavigator.use permission node in your permissions manager (e.g. LuckPerms).
  • OR disable the permission requirement completely by setting it to "none" in your navigator.toml: 
    [commands]
permission = "none"
  • Run /vn reload to apply configuration changes.

Players get blocked by spam cooldowns

Symptoms:

  • Players see the cooldown message: "Please wait X more second(s)." when trying to run the /lobby command.

Likely cause: v4.1.0 enforces a default 3-second anti-spam cooldown on command executions.

Resolution:

  • Grant bypass permission to players/groups who shouldn't have a cooldown: velocitynavigator.bypass.cooldown (or legacy velocitynavigator.bypasscooldown).
  • OR reduce/disable the cooldown in your navigator.toml: 
    [commands]
cooldown_seconds = 0
  • Run /vn reload to apply configuration changes.

Config Issues

Changes aren't taking effect

Symptoms:

  • Edited navigator.toml but behavior doesn't change

Likely cause: Forgot to reload the config.

Resolution:

/vn reload

Config migration warnings in console

Symptoms:

  • Warnings like "Config field 'update_checker.enabled' is no longer supported"

Likely cause: v3 config fields that are no longer used in v4.

Resolution:

  • These are harmless warnings — v4 ignores unknown fields
  • To clean up your config, remove the deprecated fields listed in the Migration Guide

Server names not matching

Symptoms:

  • "No lobby found" error even though servers exist
  • Servers show as offline in debug

Likely cause: Server names in default_lobbies don't exactly match the names in velocity.toml.

Debugging steps:

  1. Check velocity.toml for exact server names
  2. Compare with navigator.toml default_lobbies
  3. Names are case-sensitive

Resolution:

  • Ensure exact match: 
    # velocity.toml
[servers]
lobby-1 = "..."   # Note: lowercase, hyphen

# navigator.toml
default_lobbies = ["lobby-1"]  # Must match exactly

"Player" placeholder not working in messages

Symptoms:

  • Messages show literal <player> instead of the player's name

Likely cause: Using v3 message format without the v4 placeholder.

Resolution:

  • Make sure you're running v4.1.0+
  • The <player> placeholder is supported in all message fields: 
    [messages]
connecting = "<green>Connecting <player> to a lobby...</green>"

Monitoring & Integration Issues

Prometheus exporter fails to bind to port (Address already in use)

Symptoms:

  • Console shows log error: Failed to start Prometheus exporter on port 9225: Address already in use

Likely cause: Another proxy instance or service is already using port 9225 on the host machine.

Resolution:

  • Change the Prometheus bind port in your navigator.toml under [metrics.prometheus.port] to a free port (e.g. 9226 or 9230).
  • Reload the configuration with /vn reload.

Prometheus exporter fails with "Cannot assign requested address" (IP Bind Error)

Symptoms:

  • Console shows log error containing: java.net.BindException: Cannot assign requested address
  • Prometheus server fails to start on proxy launch

Likely cause: The bind_host in your navigator.toml is configured to a specific public IP (e.g. 45.82.121.194) which is not directly bound/assigned to the local network interfaces of the host or container (extremely common in containerized environments like Pterodactyl, Docker, or other game panel hosts).

Resolution:

  • Change the Prometheus bind host in your navigator.toml to 0.0.0.0 (which binds to all local network interfaces): 
    [metrics.prometheus]
enabled = true
bind_host = "0.0.0.0"
port = 9225
  • If your container system requires binding to a specific internal IP, consult your panel's networking settings or use 127.0.0.1 (if only scraping locally).
  • Restart the proxy (or reload the configuration via /vn reload).

Prometheus exporter is running but cannot be reached (Pterodactyl / Docker Panels)

Symptoms:

  • Exporter starts successfully in the console (e.g. Started Prometheus metrics exporter on 0.0.0.0:9225).
  • Visiting http://<server-ip>:9225/metrics in your browser times out or fails.
  • External Prometheus fails to scrape the metrics.

Likely cause: In containerized game panels (like Pterodactyl), Docker containers run on an isolated network. External traffic is only forwarded if the port is explicitly allocated to your server in the panel's configuration.

Resolution:

  • Get a Port Allocation: In your panel's web interface, go to the Network / Allocations tab and allocate a new port (e.g., 25582).
  • Update config: In your navigator.toml under [metrics.prometheus], set the port to this exact allocated port: 
    [metrics.prometheus]
enabled = true
bind_host = "0.0.0.0"
port = 25582  # Replace with your allocated port
  • Restart the proxy (or run /vn reload) to bind to the new port.

Bedrock Form GUI does not open for Bedrock players

Symptoms:

  • Bedrock/Geyser players run /lobby but receive a standard text list or connect directly, rather than opening a Form GUI.

Likely cause: Geyser/Floodgate is not running on the proxy, or bedrock.use_gui_for_lobby is disabled.

Resolution:

  • Ensure the Floodgate plugin is installed and active on the Velocity proxy.
  • Set bedrock.use_gui_for_lobby = true in navigator.toml.
  • Run /vn reload.

Grafana dashboard file cannot be generated

Symptoms:

  • Admin runs /vn setup grafana but no grafana-dashboard.json is written, or an error is printed in console.

Likely cause: File system permission issues in the proxy's directory.

Resolution:

  • Ensure the user running the Velocity proxy has write permissions to the plugins/VelocityNavigator folder.

Example Grafana Dashboard JSON

If you want to manually import the Grafana dashboard for VelocityNavigator without running the /vn setup grafana command (or if the command fails due to permission/container issues), copy the JSON configuration below and paste it in Grafana (Dashboard -> New -> Import -> Paste JSON):

Click to expand Example Grafana Dashboard JSON 
{
  "annotations": {
    "list": []
  },
  "editable": true,
  "fiscalYearStartMonth": 0,
  "graphTooltip": 1,
  "id": null,
  "links": [],
  "liveNow": false,
  "panels": [
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 0
      },
      "id": 1,
      "title": "Global Metrics",
      "type": "row"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 4,
        "w": 8,
        "x": 0,
        "y": 1
      },
      "id": 2,
      "options": {
        "colorMode": "value",
        "graphMode": "area",
        "justifyMode": "auto",
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "textMode": "auto"
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "editorMode": "code",
          "expr": "sum(velocitynavigator_server_players{server=~\"^$server$\"})",
          "legendFormat": "Total Players",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Total Lobby Players",
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "red",
                "value": null
              },
              {
                "color": "green",
                "value": 1
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 4,
        "w": 8,
        "x": 8,
        "y": 1
      },
      "id": 3,
      "options": {
        "colorMode": "value",
        "graphMode": "none",
        "justifyMode": "auto",
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "textMode": "auto"
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "editorMode": "code",
          "expr": "sum(velocitynavigator_server_online{server=~\"^$server$\"})",
          "legendFormat": "Online Lobbies",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Online Lobbies Count",
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "yellow",
                "value": 1
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 4,
        "w": 8,
        "x": 16,
        "y": 1
      },
      "id": 4,
      "options": {
        "colorMode": "value",
        "graphMode": "none",
        "justifyMode": "auto",
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "textMode": "auto"
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "editorMode": "code",
          "expr": "sum(velocitynavigator_server_drained{server=~\"^$server$\"})",
          "legendFormat": "Drained Lobbies",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Drained Lobbies",
      "type": "stat"
    },
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 5
      },
      "id": 5,
      "title": "Server Telemetry & Performance",
      "type": "row"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "fieldConfig": {
        "defaults": {
          "custom": {
            "drawStyle": "line",
            "lineInterpolation": "smooth"
          },
          "unit": "ms"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 6
      },
      "id": 6,
      "options": {
        "legend": {
          "calcs": [
            "mean",
            "max"
          ],
          "displayMode": "table",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "editorMode": "code",
          "expr": "velocitynavigator_server_latency_ms{server=~\"^$server$\"} >= 0",
          "legendFormat": "{{server}}",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Health Check Latency",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "fieldConfig": {
        "defaults": {
          "custom": {
            "drawStyle": "line",
            "lineInterpolation": "smooth"
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 6
      },
      "id": 7,
      "options": {
        "legend": {
          "calcs": [
            "lastNotNull",
            "max"
          ],
          "displayMode": "table",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "editorMode": "code",
          "expr": "velocitynavigator_server_players{server=~\"^$server$\"}",
          "legendFormat": "{{server}}",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Player Count Distribution",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "custom": {
            "fillOpacity": 70,
            "lineWidth": 1
          },
          "mappings": [
            {
              "options": {
                "from": 0,
                "result": {
                  "color": "green",
                  "text": "CLOSED (Healthy)"
                },
                "to": 0
              },
              "type": "range"
            },
            {
              "options": {
                "from": 1,
                "result": {
                  "color": "yellow",
                  "text": "HALF_OPEN (Testing)"
                },
                "to": 1
              },
              "type": "range"
            },
            {
              "options": {
                "from": 2,
                "result": {
                  "color": "red",
                  "text": "OPEN (Tripped)"
                },
                "to": 2
              },
              "type": "range"
            }
          ],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "yellow",
                "value": 1
              },
              {
                "color": "red",
                "value": 2
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 6,
        "w": 24,
        "x": 0,
        "y": 14
      },
      "id": 8,
      "options": {
        "rowHeight": 0.9,
        "showValue": "always",
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "editorMode": "code",
          "expr": "velocitynavigator_server_circuit_breaker{server=~\"^$server$\"}",
          "legendFormat": "{{server}}",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Circuit Breaker State history",
      "type": "state-timeline"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "fieldConfig": {
        "defaults": {
          "custom": {
            "drawStyle": "line",
            "lineInterpolation": "linear"
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 6,
        "w": 24,
        "x": 0,
        "y": 20
      },
      "id": 9,
      "options": {
        "legend": {
          "calcs": [
            "sum"
          ],
          "displayMode": "table",
          "placement": "right",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "editorMode": "code",
          "expr": "rate(velocitynavigator_routed_connections_total{server=~\"^$server$\"}[5m])",
          "legendFormat": "{{server}}",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Routed Connections Rate (per second)",
      "type": "timeseries"
    },
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 26
      },
      "id": 14,
      "title": "Traffic & Event Diagnostics",
      "type": "row"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "fieldConfig": {
        "defaults": {
          "custom": {
            "drawStyle": "line",
            "lineInterpolation": "smooth"
          },
          "unit": "pps"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 27
      },
      "id": 10,
      "options": {
        "legend": {
          "calcs": [
            "mean",
            "max"
          ],
          "displayMode": "table",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "editorMode": "code",
          "expr": "rate(velocitynavigator_player_joins_total[5m])",
          "legendFormat": "Joins",
          "range": true,
          "refId": "A"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "editorMode": "code",
          "expr": "rate(velocitynavigator_player_leaves_total[5m])",
          "legendFormat": "Leaves",
          "range": true,
          "refId": "B"
        }
      ],
      "title": "Join/Leave Rates (per second)",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 27
      },
      "id": 11,
      "options": {
        "displayMode": "basic",
        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "showUnfilled": true
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "editorMode": "code",
          "expr": "sum(velocitynavigator_redirects_total) by (reason)",
          "legendFormat": "{{reason}}",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Redirect Reasons (Why Players Moved)",
      "type": "bargauge"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "orange",
                "value": 1
              },
              {
                "color": "red",
                "value": 5
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 35
      },
      "id": 12,
      "options": {
        "displayMode": "basic",
        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "showUnfilled": true
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "editorMode": "code",
          "expr": "velocitynavigator_circuit_breaker_trips_total{server=~\"^$server$\"}",
          "legendFormat": "{{server}}",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Circuit Breaker Trips by Server",
      "type": "bargauge"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 35
      },
      "id": 13,
      "options": {
        "displayMode": "basic",
        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "showUnfilled": true
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "editorMode": "code",
          "expr": "velocitynavigator_fallback_events_total",
          "legendFormat": "{{type}}",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Fallback Events by Type",
      "type": "bargauge"
    }
  ],
  "refresh": "5s",
  "schemaVersion": 38,
  "style": "dark",
  "tags": [
    "minecraft",
    "velocitynavigator",
    "loadbalancer"
  ],
  "templating": {
    "list": [
      {
        "current": {},
        "datasource": {
          "type": "prometheus",
          "uid": "prometheus"
        },
        "definition": "label_values(velocitynavigator_server_online, server)",
        "hide": 0,
        "includeAll": true,
        "multi": true,
        "name": "server",
        "options": [],
        "query": {
          "query": "label_values(velocitynavigator_server_online, server)",
          "refId": "StandardVariableQuery"
        },
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "sort": 1,
        "type": "query"
      }
    ]
  },
  "time": {
    "from": "now-1h",
    "to": "now"
  },
  "timepicker": {},
  "timezone": "",
  "title": "VelocityNavigator Lobby Diagnostics",
  "uid": "vn_lobby_diagnostics",
  "version": 1
}

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