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Standard Forge lag on local server

maycontainnuts
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maycontainnuts Tree Puncher

maycontainnuts

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Me and a friend wanted to play some minecraft together, so I made a vanilla minecraft server on a seperate laptop.

This worked out fine. We had no lag at all and everything worked perfectly.

Then we wanted some mods, so I made a Forge Server on the same laptop, but even without mods, the server is lagging.

For example when I hit an animal, it just goes in the air, hangs in the air for a second and teleports back down and runs around very laggy and fast.

Animals just don't move around smoothly although this wasn't a problem on the vanilla server.

I am pretty sure that the specs of my laptop aren't the problem, because the lag doesn't really increase when I add mods. It just looks like standard forge lag.

Forge works fine on singleplayer btw.

 

Does anyone have any idea what might causes this standard forge lag on my server?

maycontainnuts Tree Puncher

maycontainnuts

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I tried running older and newer version of forge and they gave me the same results.

I also tried running the server on a different pc and again I got the same lag.

I have tried running the server with different .bat files, but that didn't help.

My internet is pretty fast: 10 ping, download 200Mbps, upload 20.5Mbps, so that hasn't anything to do with it either.

 

I'm out of options here, does anyone have any suggestion?

MDW01 Diamond Finder

MDW01

Posted
Posted

How much ram are you giving to the server and how much is available on your computer.

Forge tends to be slower than Minecraft in general and poorly written mods don't help.

maycontainnuts Tree Puncher

maycontainnuts

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  • Author
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The laptop that I use to run the forge server has 16GB ram and I gave 4GB to the server.

 

I used the following command: 

 

@ECHO OFF

java -Xms2048M -Xmx4096M -jar forge-1.10.2-12.18.3.2511-universal.jar

 

I have also tried adding: -server -d64 to it but that didn't really help.

I'm not using any mods on the server right now, because I already have lag without any mods for some reason.

 

Thx for the reply

maycontainnuts Tree Puncher

maycontainnuts

Posted
  • Author
Posted

I think that the cpu of my laptop wasn't good enough (4 cores and 2.7Ghz). Im using a differenct desktop pc now with a dual core processor with 3.7Ghz and the lag has decreased. I guess that modded minecraft just needs a pretty beest cpu to run the server.

 

Thx for the help though.

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