Do you recognize any mod on this list that could be resposible for the severe lag I'm getting if 2 or more players are online?
- Abnormal Core
- Better Caves
- Better Mineshafts
- BiomesOPlenty
- Falling Trees
- Guard Villagers
- Inventory Tweaks
- Optifine [Client]
- SnowUnderTrees
- Sound Filters [Client]
- The Endernetic Expension
- Upgrade Aquatic
The log shows the following warnings:
[Server thread/WARN] [net.minecraft.server.MinecraftServer/]: Can't keep up! Is the server overloaded? Running 2001ms or 40 ticks behind