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Q&A for How to Allocate More RAM to Minecraft
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QuestionAfter using method one, my Minecraft still runs at 38-42 fps, and it only uses 1250 MOB out of the 4,000 I assigned it. How do I fix this?Community AnswerRAM isn't the only thing that contributes to the amount of FPS. You need to consider how powerful your CPU is and what your graphics settings are in game. My suggestion is try lowering your render distance and particles. Also, make sure V-Sync is off, as this does limit your frame rate. Another thing you could try is installing Optifine, which gives you more control over your graphics settings.
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QuestionIf I have 2 GB of RAM, do I use -Xmx1G or -Xmx2G?Community AnswerI would say the first one, as you would then allocate 1 GB of RAM, and you don't want everything else on your computer quitting.
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QuestionMy newly built computer has 16 GB total of RAM. Am I okay to allocate half of it to Minecraft?Community Answer16 BG is a lot of space.You shouldn't need all 8 GB to play Minecraft.
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QuestionIf I allocate too much RAM, what is the command to remove some of the RAM?Community AnswerThere is no command, you just input the command to go lower. If you put too much, you'll see your computer go slower.
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QuestionI have 3.19 GB usable and 64 bits. Should I use 1.5 GB for Minecraft?Community AnswerIt depends on how much total RAM you have. Allocating too much RAM to Minecraft could actually make your game run more slowly. If you have at least 6GB total then you should be ok if you allocate 1.5GB to Minecraft. However, allocating more than the standard 1GB is usually unnecessary for performance unless you are using texture packs or mods.
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QuestionIf I have 6 GB of total RAM, how much RAM should I input?Community AnswerIt depends on what else you have running in the background. If nothing, you could put 3-4 GBs.
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QuestionWhat do I do if it says couldn't reserve space when I have plenty ready for it?Community AnswerThis means you don't have enough RAM for starting Minecraft. Try restarting your computer; if that doesn't work, press CTRL+SHIFT+ESCAPE then see where RAM is being used and try to free some.
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QuestionCan I allocate 3.5 GB of RAM to Minecraft?Community AnswerYes, but you would need a x64 or 64-bit version of Windows or Mac. It is also recommended to only allocate a maximum of one quarter 1/4 of your total usable RAM. Anything under this amount is perfectly fine to allocate.
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QuestionWhat is the recommended amount of dedicated RAM I should have for a server?Aidan GamerdudeCommunity AnswerIf you expect 1 - 5 players, then allocate about 512 MB. However, if you plan to do intensive tasks (TNT, a lot of mobs, etc.) allocate more. For every 5 additional players, just bump it up by another 512 MB.
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QuestionI have 2gb RAM in a 32 bit PC. Can I allocate 1.5GB to Minecraft?Community AnswerYes you can, but it might not be a good idea considering you only have 512MB of RAM on your computer. It's like giving family size chocolate bar to a kid, and giving a lollipop to a family.
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QuestionWhat do I do if my Minecraft server crashes periodically?Community AnswerLook at your mods and if they need to be updated, update them. There should be crash reports in the .minecraft files located in your %appdata%.
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QuestionHow much RAM should I allocate to Minecraft if I only have 3 gigs ram with 2.6 gigs usable?Community AnswerI would say 1.2-1.5 gigs, you typically don't want to give more than 1/2 of your system's ram to a program, but I have found that if that game is all you have open, you can typically run it at just 1 gig under the systems RAM, meaning on my 4G laptop I could run with 3G, or in your case you could run at 2 gigs, though as I said, this is typically not recommended.
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QuestionHow much maximum RAM I could dedicate to the game if I have only 4GB of ram?Community AnswerGive it 2GB of RAM: this will make it so everything else doesn't start lagging and crashing if you add more.
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QuestionI have 4, I allocate 2 and it gives me an error, what should I do?Community AnswerReally, unless you're hosting for 10 or more people, 2 gb is overkill. Try giving just 1 gb. But to answer your question, perhaps you don't have enough RAM.
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QuestionI have 8 GB RAM, should I put it 1 GB or 2 GB?Community Answer4 GB RAM if you have 8 GB.
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QuestionI have 8 GB RAM and my computer says that it doesn't have enough space in memory even though it shows only 2 GB used. How do I resolve this issue?Community AnswerThere could be a number of issues on your computer. Do you have a paging file? Not having one has been known to slow Windows down a lot. Do you have other programs open? Those take up RAM, so close out of the ones you don't need. Do you mean you allocated 2 gigs to Minecraft? Or do you mean Task Manager only shows 2 GB used? If the latter is correct, there might be something wrong with your PC. However, if "it shows only 2 GB used" is talking about Minecraft's allocation, then the other questions apply.
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QuestionWhat is a good percentage of allocated RAM?Community AnswerBetween 4 and 8GB is recommended for Minecraft.
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QuestionMy laptop doesn't have the file minecraft_server. What should I do?Community AnswerYou have to go on minecraft.net and download the server file. Then run the file and you will have a minecraft_server folder.
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QuestionWhat do I do if I get the Java virtual machine error in Minecraft?Community AnswerYou either tried to allocate too much RAM, or you may have typed something incorrect in the java arguments.
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QuestionDo I start the new file or the server launcher first?Community AnswerYou would start the new file to begin the processing to run it.
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QuestionHow much RAM do I need to allocate if I have 8 GB, but I also run mods and have large cities?MadaraBodaraCommunity AnswerIt depends. If you run hundred of mods at the same time, I'd say 4 to 6GB is enough. But you also need to see if the mods/modpack you installed is well optimized. For example, I was running FTB Infinity Evolved with its +170 mods perfectly, but Minecraft Mage with ~120 mods was freezing every second.
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QuestionI'm using the old launcher, and I've allocated it -Xmx3G. I've got an 8G laptop, but it won't allow me to start the actual game. What should I do?Community AnswerThis shouldn't have anything to do with your RAM. Check out the error and log. Check around on the internet.
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QuestionIs this possible to put more RAM into Minecraft on the Pocket Edition?Community AnswerSince the Pocket Edition is for phones, you would need to increase the storage on your phone.
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QuestionI have 32 GB of RAM. How much should I allocate to Minecraft?Community AnswerIt depends on the texture pack you use. If you are going to play with normal textures, allocate 4 GB. If you are going to use things like shaders, allocate 8 GB.
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QuestionI have 3.78 GB ram and have allocated 2 GB to Minecraft. Is that safe?Raai0100Community AnswerI would recommend allocating less than that. It is usually the safest when you allocate 1/4 of your total RAM, which in your case is 512 MB.
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QuestionI input 5 GB of RAM, but it's still only using 1. How can I fix this?Community AnswerNot all 5 GB are used. Apps will only use up as much RAM as they need in the moment. It's not something you can fix. Try doing intensive tasks (e.g. high particle settings and TNT) and see if the RAM usage goes up.
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QuestionI'm confused. When I make the advanced settings switch green, the only thing I can click is "Ok." What happens after that?Jay PormeiCommunity AnswerSome cracked launchers don't exist in some advanced settings. What you're going to do is to use the official Minecraft launcher. Log into your account, then go to the "Launch Options" tab.
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QuestionHow do I know how much RAM to add to Minecraft?Community AnswerIf you're using 0 mods -- 2GB. If you're using less than 100 mods, get 4GB. If you're using between 101-200 mods -- 4-6GB. If you're using more than 201 mods -- 6-10GB.
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QuestionI changed the JVM arguments to allocate 4 gigs of RAM, but when I try to run Minecraft with mods it says it's only using 512 MB. Can you tell me why?Jay PormeiCommunity AnswerTry to use this command again: -Xmx4G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn512M . This is my argument that allocates more RAM to Minecraft to 4 GB.
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QuestionHow do I get more RAM to Minecraft if I have Tlauncher?Ypk GamingCommunity AnswerClick on the "Settings" icon on the bottom right of the Tlauncher window; you should be able to drag a circle to increase or decrease the amount of RAM you want. Then, click Save.
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