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Frequently asked questions

What versions of Minecraft does Velocity support?

Velocity supports Minecraft 1.8-1.13.1. It is important to note, however, that Velocity does not translate between protocol versions - most packets from the client and server are passed through the proxy unchanged. If you need a multi-protocol solution for your Minecraft server, please consider installing ProtocolSupport or ViaVersion on your backend servers.

What server software is supported by Velocity?

Velocity aims to support Paper, Sponge, and Minecraft Forge. As of September 7, 2018, Forge support is available and the proxy has been most extensively tested against Paper, although Sponge also runs well.

Is Velocity compatible with my Forge mod(s)?

Velocity is compatible with Minecraft Forge (1.8-1.12.2) and supports legacy IP forwarding for SpongeForge. Most mods should work without issue and with less trouble than with BungeeCord or Waterfall.

However, there are certain mods that are incompatible with the server-switching behavior Velocity employs. These are issues that only the author of the mod can fix, and are not issues with Velocity.

What is Velocity's performance profile?

On a Velocity server without plugins, most CPU time is spent processing packets (especially decompressing and recompressing) and waiting on network events. Velocity has been tuned for throughput: given enough resources, a single proxy should be able to handle a large number of Minecraft players online.

There are several ways to increase the throughput of the proxy.

Keep an eye on your plugins

The most important performance killer by far are your plugins! Velocity implements several measures to attempt to reduce issues caused by misbehaving plugins, but these measures are imperfect. It is important you monitor your plugins to ensure they are not hurting your proxy throughput.

Disable compression between the proxy and your backend server

If your backend server has compression enabled (by default, Minecraft servers compress packets larger than 256 bytes), then Velocity is forced to do additional decompression to process packets going through the proxy. The best solution is to disable compression on your backend server, so that only Velocity is responsible for compressing packets.

To disable compression, simply set network-compression-threshold=-1 in your server.properties, and then reboot your server.

Keep up to date

The Velocity team constantly seeks to improve the throughput of the proxy, and you can only benefit from our efforts if you keep the proxy regularly up-to-date.