Problem Server running behind with mob and block lag

Goderd345

New Member
Jul 29, 2019
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- I am running Windows 10
- I am running the server I downloaded from FTB website FTB Beyond
- I'm using server version 1.10.2
- I haven't added any mods to the pack
- Server Settings:
rem Do not touch
set MCVER=1.10.2
set JARFILE=minecraft_server.%MCVER%.jar
set LAUNCHWRAPPERVERSION=1.12
set LAUNCHWRAPPER=net\minecraft\launchwrapper\%LAUNCHWRAPPERVERSION%\launchwrapper-%LAUNCHWRAPPERVERSION%.jar
set FORGEJAR=FTBserver-1.10.2-12.18.3.2254-universal.jar

rem can be changed by user
set MIN_RAM=512M
set MAX_RAM=4096M
set PERMGEN_SIZE=256M
set JAVA_PARAMETERS=-XX:+UseParNewGC -XX:+CMSIncrementalPacing -XX:+CMSClassUnloadingEnabled -XX:parallelGCThreads=2 -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=10

Problem: Me and 1 friend are the only ones that play this server and from the beginning we have experienced consistent 45-65 tick server lag with the message about the server running behind. Mobs always lag about 3 blocks per update making creepers a big problem. This is my first server so it's probably something small but any suggestions are greatly appreciated.

Also the server seems to really want to use all my CPU