Problem Help required optimising server

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Golrith

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Trusted User
Nov 11, 2012
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A friend has setup a server, which I've put slightly modified DW20 pack MC 1.4.7 on.

All works fine, but the server does have block update and entity lag, and the log does frequently report the Can't Keep Up message even when there are no players online. There are no chunk loaders or machine systems setup yet, server's only been up and running for a short while.

The server is AMD Athlon Dual Core Processor 4450D 2.29 Ghz, 4 gig of ram, 64bit XP OS, with 64bit Java installed.

Server startup script is
"C:\Program Files\Java\jre7\bin\java.exe" -Xms512M -Xmx3G -jar -server -d64 -XX:MaxPermSize=128m ftbserver.jar

Looking around online, we should be getting slightly better performance then we are experiencing. Is there anything else I can do to help the server out?