Server Performance: Difference between revisions

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* Make sure fastcraft is enabled (it should be in the server download but may need a rename to .jar)
* Optifine is client only - make sure it's not loaded on the server
 
== Lag ==
You can use <code>/xu_tps</code> on the client (type it in chat) to see if the server is experiencing ''tic lag'' – if the numbers are consistently red you have an issue. If they're continually white, but you're getting lag, you may have FPS lag – see [[Low End PCs]] for client performance tips.
 
You can use various profiling tools to find lag. Some of the most popular are:
 
* Opis
* Warmroast
* Plan Plugin
 
Some are mods you install into the server (and client); others are programs that run on the server. Not all may be available to you depending on your server setup.