Problem Server suddenly has minutes of lags, skipping 1000s+ of ticks, people timing out

DM2602

New Member
Jan 12, 2019
1
0
1
I can't really think of anything the players did on the server, it was never laggy and suddenly people time out every 2-5 minutes.
The server has a custom modpack:
Spoiler
Forge Mod Loader;7.10.99.99;https://github.com/MinecraftForge/FML/wiki
Minecraft Forge;10.13.4.1614;http://MinecraftForge.net/forum/index.php/topic,5.0.html
Applied Energistics 2 Core;rv3-beta-6;http://ae2.ae-mod.info
CodeChicken Core;1.0.7.47;http://www.minecraftforum.net/topic/909223
MobiusCore;1.2.5;profmobius.blogspot.com
Not Enough Items;1.0.5.120;http://www.minecraftforum.net/topic/909223
Thaumic Tinkerer Core;0.1;
Voltz Engine Preloader;0.0.1;
Witching Gadgets Core;1.1.10;
OpenModsCore;0.10;http://openmods.info/
CoFH ASM;000;
FastCraft;1.25;http://forum.industrial-craft.net/index.php?page=Thread&threadID=10820
AdminCommandsToolbox;0.0.2a_1.7.10;
IndustrialCraft 2;2.2.827-experimental;http://www.industrial-craft.net
IC2 Advanced Machines Addon;1.1.6;http://atomicstryker.net
Applied Energistics 2;rv3-beta-6;http://ae2.ae-mod.info
Blood Magic: Alchemical Wizardry;v1.3.3;http://www.minecraftforum.net/topic/1899223-
Baubles;1.0.1.10;http://www.minecraftforum.net/topic/2535073-baubles
Thaumcraft;4.2.3.5;http://www.minecraftforum.net/topic/2011841-thaumcraft
Avaritia;1.13;
WanionLib;1.7.10-1.8;http://minecraft.curseforge.com/projects/wanionlib
Avaritiaddons;1.4b;http://minecraft.curseforge.com/projects/avaritiaddons
BiblioCraft;1.11.7;http://www.bibliocraftmod.com
Mantle;1.7.10-0.3.2.jenkins191;https://github.com/SlimeKnights/Mantle
Natura;2.2.0;www.minecraftforum.net/topic/1753754-natura/
BiblioWoods Natura Edition;1.5;http://www.bibliocraftmod.com
CoFH Core;1.7.10R3.1.4;http://www.teamcofh.com
Thermal Foundation;1.7.10R1.2.6;http://www.teamcofh.com
Thermal Expansion;1.7.10R4.1.5;http://www.teamcofh.com
Big Reactors;0.4.3A;http://www.big-reactors.com
Biomes O' Plenty;2.1.0;www.minecraftforum.net/topic/1495041-
Brandon's Core;1.0.0.12;http://minecraft.curseforge.com/projects/brandons-core
BuildCraft;7.1.23;http://www.mod-buildcraft.com/
BC Transport;7.1.23;http://www.mod-buildcraft.com/
BC Factory;7.1.23;http://www.mod-buildcraft.com/
BC Silicon;7.1.23;http://www.mod-buildcraft.com/
BC Robotics;7.1.23;http://www.mod-buildcraft.com/
BC Energy;7.1.23;http://www.mod-buildcraft.com/
BC Builders;7.1.23;http://www.mod-buildcraft.com/
BuildCraft Compat;7.1.7;http://www.mod-buildcraft.com/
The Twilight Forest;2.3.7;http://www.minecraftforum.net/topic/561673-
Forge Multipart;1.2.0.345;https://github.com/Chicken-Bones/ForgeMultipart
Chisel;2.9.5.11;http://www.minecraftforum.net/forums/thread/1294901
Carpenter's Blocks;3.3.8.1;www.carpentersblocks.com
ChickenChunks;1.3.4.19;http://www.minecraftforum.net/topic/909223
Chunk Pregenerator;1.8;
ComputerCraft;1.75;http://www.computercraft.info
Draconic Evolution;1.0.2h;http://www.brandon3055.com/
EnderCore;1.7.10-0.2.0.39_beta;http://ci.tterrag.com/job/EnderCore
MineFactory Reloaded;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
Mekanism;9.1.0;
Ender IO;1.7.10-2.2.8.381;http://enderio.com
EnderStorage;1.4.7.37;http://www.minecraftforum.net/topic/909223
Waila;1.5.10;
Extra Cells 2;2.3.14;http://www.minecraftforum.net/forum...289077-ae-add-on-m3gas-extracells-2-1-x-2-2-x
Extra Utilities;1.2.12;
Pam's HarvestCraft;1.7.10j;http://minecraft.curseforge.com/members/MatrexsVigil/projects
Tinkers' Construct;1.7.10-1.8.5.build957;http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/2218638-tinkers-construct
ExtraTiC;1.4.6;
Fast Leaf Decay;1.4;
FlatBedrock Xplosion's Edition;1.0.2;
Forge Essentials;1.4.4;https://github.com/ForgeEssentials/ForgeEssentials
Hardcore Ender Expansion;1.8.6;https://hee.chylex.com
HelpFixer;1.0.7;http://minecraft.curseforge.com/mc-mods/223797-helpfixer
Voltz Engine;1.9.14.302;http://www.builtbroken.com
ICBM;2.15.4.497;
iChunUtil;4.2.3;http://www.ichun.us/
Inventory Tweaks;1.59-dev-152-cf6e263;https://github.com/Kobata/inventory-tweaks
Iron Chest;6.0.62.742;http://www.minecraftforum.net/topic/981855-
JourneyMap;5.1.4p2;http://journeymap.info
Magical Crops: Core;4.0.0_PUBLIC_BETA_4b;http://minecraft.curseforge.com/mc-mods/228834-magical-crops
MFR Compat: Applied Energistics;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: BuildCraft;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: ForgeMicroblock;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: IC2;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: Thaumcraft;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: Thermal Expansion;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: Tinkers' Construct;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: TwilightForest;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: Vanilla;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
Nether Ores;1.7.10R2.3.2B1;http://minecraft.curseforge.com/mc-mods/netherores/
OpenMods;0.10;http://openmods.info/
OpenBlocks;1.6;http://openmods.info/
MapWriter;2.1.2;
Opis;1.2.5;
OreExcavation;1.1.130;
PortalGun;4.0.0-beta-6;
Power Converters 3;1.7.10-2.11;
ProjectE;1.7.10-PE1.9.3;http://minecraft.curseforge.com/mc-mods/226410-projecte
RFTools;4.23;
Solar Expansion;1.6a;
Thaumcraft NEI Plugin;@VERSION@;
Thaumic Tinkerer;unspecified;minecraftforum.net/topic/1813058-
Thaumic Exploration;0.6.0;https://github.com/Flaxbeard/Thaumic_Exploration
Thaumic Infusion;4.32;http://www.curse.com/mc-mods/minecraft/220308-thaumic-infusion
Thermal Dynamics;1.7.10R1.2.1;http://www.teamcofh.com
TiC Tooltips;1.2.5;http://www.minecraftforum.net/topic/2509840-
Torched;4.0.0;
Traveller's Gear;1.16.6;http://minecraft.curseforge.com/mc-mods/224440-travellers-gear
Voltz Engine Mod Compatibility Loader;1.9.14.302;
VoltzEngine mod protection, flag, and region system;1.9.14.302;
Waila Harvestability;1.1.6;
WAILA Plugins;MC1.7.10-0.2.0-25;http://ci.tterrag.com/job/WAILAPlugins/
Witchery;0.24.1;http://sites.google.com/site/witcherymod/
Witching Gadgets;1.1.10;
WorldEdit;6.0-beta-01;
WR-CBE Core;1.4.1.9;http://www.minecraftforum.net/topic/909223
WR-CBE Addons;1.4.1.9;http://www.minecraftforum.net/topic/909223
WR-CBE Logic;1.4.1.9;http://www.minecraftforum.net/topic/909223
Minecraft Multipart Plugin;1.2.0.345;https://github.com/Chicken-Bones/ForgeMultipart
ForgeRelocation;0.0.1.4;...
MCFrames;1.0;
RelocationFMP;0.0.1.2;...
MrTJPCore;1.1.0.33;...
Iguana Tinker Tweaks;1.7.10-2.1.6.163;http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/2176855
Forge Microblocks;1.2.0.345;https://github.com/Chicken-Bones/ForgeMultipart
MFR Compat: Atum;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: BackTools;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: Chococraft;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: ExtraBiomes;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: Forestry;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat ProjectRed;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: Railcraft;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/
MFR Compat: Sufficient Biomes;1.7.10R2.8.2B1;http://minecraft.curseforge.com/mc-mods/minefactory-reloaded/

I could catch an opis screenshot, but I don't think I can actually take a lot from that. Just the ping is high. https://i.imgur.com/JXbJBj2.jpg

RAM is not even 50% used, CPU isn't maxed either. Chunkloaders are just 2-3 in use.

Examples for messages in the fml log:

[20:43:09] [Server thread/INFO] [FastCraft]: The server is lagging 268126 ms behind, 4362 ticks will be skipped.
[22:17:58] [Server thread/INFO] [FastCraft/]: The server is lagging 387007 ms behind, 6740 ticks will be skipped.
[23:29:34] [Server thread/INFO] [FastCraft/]: The server is lagging 311668 ms behind, 5233 ticks will be skipped.

The server doesn't even crash, I restarted it manually several times. It just kicks the players because of the huge lag. If you need anything more to be able to see the problem, i'll be happy to give it.