Please follow the guide here for changing the Java version your server uses. This will improve performance dramatically. If you are on a third party server host, you likely can not change the Java version your server uses. Bisect Hosting and a few VPS providers do allow changing Java version, though, which can usually be done through your server dashboard.
The method on Bisect is to simply go to the main dashboard page, and select "GraalVM 22" as the Java distribution. If it crashes, use 21 instead.
For further performance improvements, you can also follow this guide.
Reducing server render distance in the server.properties file is also a very good way of reducing lag. Most of our modpacks include mods like Bobby and Farsight, which make it so reducing server render distance will not affect players.
If lag persists, run the following command ingame:
/spark profiler start --only-ticks-over 50
Then, send the link in this channel.
For Mac devices using Apple Silicon/arm (M1/M2/etc.) CPUs

Reason: cracked
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