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10 ways to fix lag on your Minecraft server

Low TPS ruins the fun. These ten settings and habits fix most Minecraft server lag without paying for a bigger plan.

KingOps Team 6 min read

Lag on a Minecraft server usually means the server cannot finish its work in 50 milliseconds per tick. These fixes help most servers reach a stable 20 TPS.

Server software

  1. Use Paper or Purpur instead of vanilla or Spigot. They include hundreds of performance fixes.
  2. Keep the version up to date – every release brings optimisations.

World settings

  1. Lower view-distance to 8 and simulation-distance to 6 in server.properties.
  2. Pre-generate your world with a plugin such as Chunky before players start exploring.
  3. Set a world border so the map does not grow forever.

Entities and redstone

  1. Limit mob farms and large item piles; entities are the most common cause of lag.
  2. Tune entity activation range in the Paper configuration.
  3. Watch big redstone clocks – one fast clock can cost several TPS.

Find the real cause

  1. Run a profiler such as Spark (/spark profiler) to see exactly which plugin or chunk is slow.
  2. Remove plugins you do not use – every plugin costs CPU time.

If your server is still slow after these steps, it may simply need more resources. On KingOps you can upgrade your plan in a few clicks and keep all your files.

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