How To Reduce Lag On A Forge Server

Reducing Lag

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Sep 11, 2024

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11 Mins Read

Forge is one of the most used server types for running a modded Minecraft server. Unlike other popular Minecraft server types PaperMC and Spigot, Forge does not come with any optimizations to the Vanilla server.

That being said, there are some mods that you can install on your Forge server to improve performance. Each of these mods focuses on tweaking different areas of the server to improve performance.

Please Note

These mods may not be compatible with the mods already installed on your server. We recommend you generate a backup before installing any additional mods to an existing server. Should you run into any issues after installing one of these mods, we recommend that you remove it.

# Optimisation Mods

If you are unsure of how to install mods onto your Forge server, feel free to refer to our knowledgebase article on the matter here.

  • Performant - Performant focuses on optimising a handful of different parts of a server. It provides optimisations for AI/Entities as well as block and chunk ticks.
  • AI Improvements - AI Improvements focuses on optimising the AI of mobs and non-living entities in the game. Usage can provide a 50% to 80% decrease in CPU usage caused by the AI.
  • Dynamic View - Dynamic View is a utility mod that will dynamically adjust the view distance on your server. When the server is lagging, this mod will reduce view and simulation distances to remedy server strain. Once the lag subsides, the mod will return the distances to their configured values.
  • FerriteCore - FerriteCore attempts to reduce overall memory usage. Using it can reduce memory usage by up to 45%.
  • Starlight - Starlight is a mod similar to Phosphor, but instead of simply optimising the lighting engine, it was completely rewritten. Due to this, it is incompatible with Phosphor.
  • FoamFix - FoamFix focuses on reducing memory usage and improving the TPS of the server. Both of which can be very helpful as modded servers are much more resource-intensive.
  • ServerCore - ServerCore is a mod that optimises the overall Minecraft server. This includes optimisations to entities, mob spawning, and chunk ticking.
  • Phosphor - Phosphor optimises the server's lighting engine, which decreases the time taken to generate or load chunks, helping to reduce overall stuttering when traversing the world.

When using these mods, you can expect a big boost in your server's performance.

Kobe Plane

Game Experience Engineer