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Terrible Latency up 5 min on Ubuntu 20.04

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I am having terrible lag most of the time, even up to 5 minutes. I don't think it is the internet connection because ping to the server is okay.

I am using WurmLauncher from the tar file.

I found something with the memory that may be the issue, pasting from the terminal here


=== System information ===
Executing from /home/USERNAME/wurm-launcher/
Operating system: Linux (arch: amd64, version: 5.4.0-58-generic)
Java version: 1.8.0_211 (Oracle Corporation) <>
Jvm version: 25.211-b12 (Oracle Corporation) [Java HotSpot(TM) 64-Bit Server VM]
Available CPUs: 16
Max memory: 3984MB


Max memory in my system is not 4GB it is 16GB. How can I change this, or is this not the case maybe. Should I add some more logs?

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I don't know what this can be. Haven't installed Java 8 to try out the .jnlp file. Not sure if that should make any difference.

What happens is after I have played for some minutes, maybe 5-10 then I will get lag from 5-10 minutes, where I can just right-click a tile and the right click menu just says "refreshing" until after this time. Same is with chat I dont get any chat are can send any chat while lagging.

Is there any parameters I can write after the "wurmlauncher" command line or any settings I should change, is there any more information I can include.


Just to show, I will include few lines of ping to the server.

PING ( 56(84) bytes of data.
64 bytes from ( icmp_seq=1 ttl=54 time=89.5 ms
64 bytes from ( icmp_seq=2 ttl=54 time=113 ms
64 bytes from ( icmp_seq=3 ttl=54 time=50.1 ms
64 bytes from ( icmp_seq=4 ttl=54 time=51.8 ms
64 bytes from ( icmp_seq=5 ttl=54 time=49.2 ms
64 bytes from ( icmp_seq=6 ttl=54 time=49.3 ms
64 bytes from ( icmp_seq=7 ttl=54 time=50.2 ms
64 bytes from ( icmp_seq=8 ttl=54 time=49.6 ms
64 bytes from ( icmp_seq=9 ttl=54 time=50.4 ms
64 bytes from ( icmp_seq=10 ttl=54 time=50.2 ms

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Ping is fine even during lag, no lost packets? I'd try using a wired connection if you're on wifi, just to rule out that part.

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It worked plugging the computer in to a wire. So now I will have to get wire to the computer.


But what I don't understand is why this is causing issues, even up to 10 minutes lag, I have no problem watching youtube and there is no lost package when I ping, (I have not pinged big packaged). So I was guessing if it was a combination of my wireless and wurm code that is making this problem.

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