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By Ben_jammin0 · Posted
Hello, Recently I have been hosting an RLcraft server on Minecraft Forge Version 1.12.2 - 14.23.5.2860 I originally had lag issues and I chalked it up to playing on less than perfect hardware so I moved the server to better hardware(i9-9900k with 64GB of RAM for 1 player.) After lots of troubleshooting I discovered a couple of things. World saving was causing the MSPT to spike to over 2000Miliseconds and was happening every minute. This kind of makes sense as the world was pre-generated and is over 100GB. I learned that I could turn off world saving and just schedule that and that resolved that issue. After that issue was resolved I discovered another issue. It appears that when exploring chunks, any chunks explored stay loaded. They persist. I was originally thinking that this had to be a mod issue, but it didn't seem like anyone was talking about it. This isn't really a problem on packs with few worldgen mods or just few mods in general, but on beefier packs it becomes a problem. I went through forge changelogs and found this line. Build: 1.12.2-14.23.5.2841 - Thu Aug 29 01:58:50 GMT 2019 bs2609: Improve performance of persistent chunk checks (#5706) Is this a related item to what I am dealing with or just something else? I went ahead and created a new dedicated server with Just Forge 14.23.5.2860, spark reforged, and it's core mods. I was able to replicate the issue and log it with spark. Hopefully you're able to see this spark profile. It basically shows that as I explored the chunk loading persisted(2000 chunks loaded over 10 minutes with one player)The view distance is set to 10 so that should be 200 chunks per player. If I don't move the loaded chunks are 200. I was however able to fix the persistent chunk issue if I save the world more frequently. My question is, is this intended function of the game or is this a bug? Everywhere I read seems to indicate Minecraft servers save every 5 minutes and not every minute. Can chunks not unload if the world does not autosave. Additionally. Autosave specifically appears to fix this issue. Manually running save-all does not resolve the issue. I realize this is kind of a log one, sorry. Please let me know if you require further information. Thanks in advance for your time. https://spark.lucko.me/NvlMtC39Yt https://imgur.com/a/K0oyukx https://pastebin.com/z0qGu1Vh -
By Maverickeat3 · Posted
Awesome! Where do I find that? -
Thank you so much, I had originally tried to allocate 16 gb of ram but still had the same issue with the lag, 12 was perfect. -
By TileEntity · Posted
Something related to shaders - check the config file of this mod - maybe you can disable shaders there -
By TileEntity · Posted
Add -Dfml.earlyprogresswindow=false to your JVM args
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