Forge 1.20.1 performance

Hey Minecraft experts, I hope one of you can help me. I've been trying to get my Forge 1.20.1 modpack to run stably for two days. However, the result is always the same: after about two minutes, the server starts throwing messages saying it's overloaded, at this point I can't really move, can't break blocks etc. I've already shortened the modpack, but even with a few mods, the same thing happens. And the great thing is, there are no messages in the logs about any mods bugging or stuck in a loop. Currently, I only have Distant Horizons, Tectonic, Terralith, and Iron's Spells + add-ons installed.

DH is also constantly throwing some info logs, I can't remember the exact log, but I try to recreate it. It was something like

[Thread/Info] DH Work can't load Minecraft:structure ... start / Try fill empty chunk, see if it's work!

Minecraft - 1.20.1
Forge - 47.4.0

DH - newest
Tectonic - newest
Terralith - newest
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