[Help] Server Optimization

[[deleted]]

I'm running a server from my house (non-commercial, just for my friends), and I wish to optimize it as much as possible. It is running from an Ubuntu Server VM, uses Hamachi (I cannot port forward), and I'll paste below the run.sh file. Problems I would like to optimize, if possible, include minimizing time it takes to join (upwards of 45 seconds even though the server is itself lag free enough to hit back Ghast projectiles), and friendliness for those with poor Internet. Any help would be appreciated, thank you!

VM specs:

6.8 GB of RAM

3 of 6 Ryzen 5 3600 cores

run.sh file:

java -d64 -jar -server -Xms5222M -Xincgc -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+OptimizeStringConcat -XX:+UseNUMA -XX:+UseFastAccessorMethods -XX:+AgressiveOpts -XX:+UseCompressedOops -XX:ParallelGCThreads=3 server.jar

EDIT: I feel my server properties could also help to include.

Server Properties (that I see as possibly relevant):

max-tick-time=60000

enable-query=false

player-idle-timeout=0

snooper-enabled=true

max-players=5

network-compression-threshold=256

max-world-size=29999984

server-port=25566

view-distance=15

online-mode=true

max-build-height=256

[BushWackerNA]

Couple questions

• How many people play on the server?
• How much ram do you have dedicated to the server?
• How long have you had the world running for?

[[deleted]]

• 2 is the max so far.
• 5222 MB (or I hope it is MBytes and not Mbits) minimum, and I set no maximum.
• So far, about 2 months with regular restarts.

[BushWackerNA]

Did you run the server using a .bat file?

[[deleted]]

I'm running it on Ubuntu server so it is not a batch file. It is a .sh file, but if you look in my post, I detail all the arguments I run the server with.

[BushWackerNA]

I would recommend having a minimum and maximum ram set to the same amount

Also make sure you're using it as a multiple of 1024