1.14.4 "Can't keep up! Is the server overloaded? Running XXXXXms or XXX ticks behind"

Hi,

I get constant problems with the server performance since 1.14.X. I have no plugins running and there are 4 players online at the same time. Paper runs in a docker image: https://github.com/mtoensing/Docker-Minecraft-PaperMC-Server/blob/master/Dockerfile

It even crashes sometimes. it worked fine for years on 1.13.X.

  14:36:50] [Server thread/INFO]: Done (53.266s)! For help, type "help"
    [14:36:50] [Server thread/INFO]: Starting GS4 status listener
    [14:36:50] [Query Listener #1/INFO]: Query running on 0.0.0.0:25565
    [14:36:50] [Server thread/INFO]: Timings Reset
    [14:37:04] [Paper Watchdog Thread/ERROR]: --- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH  - git-Paper-137 (MC: 1.14.4) ---
    [14:37:04] [Paper Watchdog Thread/ERROR]: The server has not responded for 10 seconds! Creating thread dump
    [14:37:04] [Paper Watchdog Thread/ERROR]: ------------------------------
    [14:37:04] [Paper Watchdog Thread/ERROR]: Server thread dump (Look for plugins here before reporting to Paper!):
    [14:37:04] [Paper Watchdog Thread/ERROR]: ------------------------------
    [14:37:04] [Paper Watchdog Thread/ERROR]: Current Thread: Server thread
    [14:37:04] [Paper Watchdog Thread/ERROR]: 	PID: 19 | Suspended: false | Native: false | State: RUNNABLE
    [14:37:04] [Paper Watchdog Thread/ERROR]: 	Stack:
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.optics.ReForgetC.run(ReForgetC.java:26)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.Typed.setCap(Typed.java:114)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.Typed.set(Typed.java:106)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.Typed.set(Typed.java:97)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.DataConverterFlatten.lambda$makeRule$2(DataConverterFlatten.java:383)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.DataConverterFlatten$$Lambda$694/1235324046.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.DataFix.lambda$null$4(DataFix.java:75)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.DataFix$$Lambda$2507/1718001393.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:69)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.functions.Comp$$Lambda$2506/1631723592.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.types.Type.capWrite(Type.java:157)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.types.Type.lambda$null$7(Type.java:148)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.types.Type$$Lambda$2496/620235702.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		java.util.Optional.map(Optional.java:215)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.types.Type.lambda$readAndWrite$8(Type.java:147)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.types.Type$$Lambda$2495/1163249880.apply(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		java.util.Optional.flatMap(Optional.java:241)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.types.Type.readAndWrite(Type.java:146)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		com.mojang.datafixers.DataFixerUpper.update(DataFixerUpper.java:84)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		org.bukkit.craftbukkit.v1_14_R1.util.CraftLegacy.<clinit>(CraftLegacy.java:403)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		org.bukkit.craftbukkit.v1_14_R1.util.CraftMagicNumbers.key(CraftMagicNumbers.java:121)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		org.bukkit.craftbukkit.v1_14_R1.util.CraftMagicNumbers.<clinit>(CraftMagicNumbers.java:93)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		org.bukkit.craftbukkit.v1_14_R1.block.CraftBlock.getType(CraftBlock.java:211)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.Entity.move(Entity.java:622)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.EntityMinecartAbstract.b(EntityMinecartAbstract.java:458)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.EntityMinecartAbstract.tick(EntityMinecartAbstract.java:233)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.EntityMinecartHopper.tick(SourceFile:94)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.WorldServer.entityJoinedWorld(WorldServer.java:578)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.WorldServer$$Lambda$2629/1292430207.accept(Unknown Source)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.World.a(World.java:936)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.WorldServer.doTick(WorldServer.java:352)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.MinecraftServer.b(MinecraftServer.java:1204)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.DedicatedServer.b(DedicatedServer.java:420)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:1076)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:920)
    [14:37:04] [Paper Watchdog Thread/ERROR]: 		java.lang.Thread.run(Thread.java:748)
    [14:37:04] [Paper Watchdog Thread/ERROR]: ------------------------------
    [14:37:04] [Paper Watchdog Thread/ERROR]: --- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH ---
    [14:37:04] [Paper Watchdog Thread/ERROR]: ------------------------------
    [14:37:06] [Server thread/WARN]: Can't keep up! Is the server overloaded? Running 16004ms or 320 ticks behind

See my thread…

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