The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. Check any custom configuration setting. 16. Do this on the machine hosting the LAN game as well as on each machine that wants to join. Go to the launcher. In windows your Redhat Java will be somewhere like "C:Program FilesRedHatjava-1. custom java arguments I do have 280 mods installed, but I am able to run enigmatica 6, with 361 mods, without any issues whatsoever. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. Use the JVM arguments from step 4 below in the JVM Arguments field. 2. Allocating More RAM Using Legacy FeedTheBeast (FTB) Launcher. dgc. 2 and above, so you should simply need to update your Forge version to be secure. 6. 0. ThanksI have a modded forge server but I can not seem to give it more RAM. Since then, I've just kept those arguments in place, even when playing. C:UsersUserDesktop1. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to. 2 which worked like an absolutel charm. changing configs on the CF settings will only change the -Xmx argument. I've been playing on this server for over a week now and verything was fine up until today when suddenly my CPU usage started spiking along with RAM usage. The more RAM is to be freed up, the. The machine is a dedi at OVH Reply reply DZCreeper • java -Xms1G -Xmx4G -server -jar minecraft_server. To get the best performance possible, add the below command into the Extra Arguments box in the Setting->Java tab and click the Save button. The information surrounding Java arguments for modded Minecraft is so confusing. Java normally accumulates 'garbage' objects until it's close to filling up the memory allocated to it, then the process of garbage collection is kicked off and a big portion of the allocated RAM is freed up, usually in an unnoticeably short lag spike. 0-openjdk-1. I also made sure it had enough RAM. Posted March 27, 2020. . With snapshot 21w19a Mojang just switched to Java 16. Alternatives include the Shenandoah GC and the GC in Azul's implementation of the JVM. Now, with that out of the way: How to use OpenJ9: Head on over to AdoptOpenJDK and select OpenJDK 8 (LTS) and OpenJ9. And what im searching for is JVM arguments to improve the server performance even more as im not that familliar with java 17. bat. For a more comprehensive reading, or if you are playing Minecraft Bedrock. rmi. Here are some steps you can take to. If you added a tonne of arguments to your Minecraft launcher, chances are they won't work or might break something. To fix CurseForge M-Tech lag, do this: Open the CurseForge app. 8 and 1. Adjust the JVM arguments as desired, click save, then close the Minecraft Launcher. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. If you simply want to add custom advancements, functions, loot tables, structures, recipes or tags to your game, look into how to make a Data pack, which does not require programming. 4. CustomOpts - Extra arguments to pass to Java when starting the Minecraft server. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to. So I just changed my JVM arguments in the profile editor real quick. rmi. The JRE and JDK runtimes are exactly the same. PolyMC is currently the best mod manager I'm aware of, although it takes a bit more learning to use well than the big corporate ones from twitch/curseforge. 5. 20. There’s also Xms, though. The repository comes. howdy there, i am currently using jvm arguments i found on this very subreddit years ago, but i was wondering if they are still "the ones to use" for modern minecraft and java. Auto Refresh - Automatically refreshes your. Some launchers like Curseforge and Prism Launcher ask you to use Java 8 on 1. Use Fabric's default Java arguments on MultiMC See original GitHub issue. To update Java on your system, open a browser and visit the Java updating website. I host servers, have created modpacks, played tons of modpacks over years, and what. 16. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding. ADDITIONALLY Java arguments really should be custom tailored to the machine. --nogui disables Vanilla's GUI, so you don't get double interfaces when. 18 with no performance issues. I find out that I have downloaded 1. In windows your Redhat Java will be somewhere like "C:\Program Files\RedHat\java-1. TheMasterCaver's First World - possibly the most caved-out world in Minecraft history - includes world download. But, I can't find a real good, solid up--to-date source for Java arguments. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. With over 800 million mods downloaded every month and over 11 million active monthly users, we are a growing community of avid gamers, always on the hunt for the next thing in user-generated content. Ensure you replace paper. 7. Tuning the JVM – G1GC Garbage Collector Flags for Minecraft. This snapshot introduces the new default skins for offline players, bamboo blocks, and a visual refresh for the Vex. 5+, all 1. I somehow doubt drowning java in ram will fix anything, other than forcing other processes into swap to make them use less processor time. The thing is: it just doesn't work. This is only for 64 bit systems. If you cannot copy and paste directly try to copy and paste the line into notepad first. 0_261, if you want you can readJava Args are a way to direct java as a program on how to handle a Modpack on how to handle itself the best. In order, there you should find the java command followed by the file of java user config and then the location of another file. Open the twitch settings menu. Code (Text): java -Xmx8192M -jar spigot. Adding custom Java arguments; Debugging issues with the launcher. It works, but after a while i get 1 second lagg. We're now releasing 1. Make sure they are enabled, then remove everything in the JVM arguments box, except from -Xmx1G. Enigmatica modpacks include the performance mods that we consider to be stable enough for most users. REM Forge requires a configured set of both JVM and program arguments. Is there any jvm arguments or perhaps edits i can do to some configs etc. Open the Launcher and verify you’re on the Java Edition section of the launcher. Many months ago, I did an extremely extensive study into Garbage Collection and Minecraft, and got a really deep understanding on Minecrafts allocation behavior, general object life expectancy and collection rates. 0. 18 Forge world. Adjust Java parameters: Advanced users can tweak Java parameters to optimize RAM usage further. 7. I was looking into the JVM arguments to see if I could make the changes there but I'm not sure exactly what I am doing as far as the curse launcher goes. Welcome to the Vault Hunters Minecraft subreddit! Here we discuss, share fan art, and everything related to the popular video game. We have a few recommended Java arguments for specific packs, however, they should work for any pack in general. I've tried various versions of java -cp -u=username -p=password minecraft. . The AMD Settings issue occurs with both Vanilla and Modded! Although I need this to work around an issue with Optifine, this issue is applicable to Vanilla and if I wanted to change my GPU settings for Vanilla Minecraft then that wouldn't be possible either. If you want more performance out of Minecraft, you can add in a bunch of extra arguments into the Settings tab. Go to your Minecraft launcher. 16. I have tried messing around with JVM arguments. . 67GHz x64 cores : 4 logical processors : 8 GPU: Sapphire hd 7950 3GB GDDR5 VAPOR-X RAM : 12GB Much appreciated if you can help me. 0_181, set it to C:Program FilesJavajre1. The Xmx argument specifies the maximum amount of RAM that Minecraft’s Java virtual machine will be able to use. The /r/feedthebeast. Edit your profile and on the bottom set your Java virtual machine settings to allocate at least 4G. Presumably, you already have an idea for a mod you want to create. Its a custom modded server running Cauldron on MC 1. Hey, I just reinstalled Minecraft and wanted to add my favourite texture pack. Try to uninstall all your Minecraft mods and restart the LAN session. 2. I've tried the arguments in this post but the problem is that it takes. It's a very simple thing to do: edit a profile, click "more options" at the bottom, and change that little "2GB" in the script window to something better. r/MinecraftForge. gc () to free up your memory. 在这里呢,就只好出一个跨伺服器和模组教学共同用的教学,那就是java优化参数设定。. In most cases, setting a high Heap is actually counter intuitive performance wise. With servers you don't really need JVM arguments but here are mine; Reveal hidden contents. I also recommend replacing the default Xmx and Xms values with -Xmx4G -Xms4G (or whatever value of RAM you wish) in the native launcher JVM arguments in order to pin the RAM usage (tends to be more stable). Updated 12/30/13. MultiMC. 10, setAside from performance mods and arguments, what are you trying to run? If you want to play a heavy modded technical pack in the latest Minecraft version, i doubt it will ever work even at minimum settings with Sodium and stuff; but if you just want to play Minecraft but nicer (for example, a vanilla plus modpack in a version up to 1. 10, set Aside from performance mods and arguments, what are you trying to run? If you want to play a heavy modded technical pack in the latest Minecraft version, i doubt it will ever work even at minimum settings with Sodium and stuff; but if you just want to play Minecraft but nicer (for example, a vanilla plus modpack in a version up to 1. Step 2: Open your Minecraft launcher, select the version you wish to apply the argument to, and click edit profile. 4 it works just fine i added just some dungeon generation mods I just updated mod and they requested newer forge i had with forge problems ago so i had to stay with . Proceed to change “ 2G ” to “ 4G ” or another reasonably high value. mui-. What config to change. As such, adding the -XX:+DisableExplicitGC flag to the java arguments helps a lot, and then various other tweaks to the automatic garbage collector, found on this blog post from someone who knows much more about what they're doing than I do, dropped CPU usage from constantly 60% to as low as 1% when no one's online, and tick time is now fairly. Regarding your specific options, the interpretation is: -Xmx - MAX -Xms - initial (MIN) -Xmn - new space (this is a more specific tuning parameter) For client-side Minecraft, it generally makes sense to set the Xmx and Xms to the same value (-Xmx2G -Xms2G). 4?I'm playing SevTech at the moment (~260 mods) and haven't broken 5GB yet. gcInterval=2147483646 -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=20 . Hey, this guide doesn't apply to bedrock. They are common to all JVM garbage collectors. Don't worry, it's not as difficult as it sounds!You are in the correct place. GraalVM release notes. 4 comments. In this article, I'll show you some nifty tricks for using Java arguments to supercharge your game. This is for the client, of course. 17. Then copy and paste the Java Arguments from the first post in this thread into the Additional Java Parameters box. Press Ctrl + Shift + Esc together to open the Task Manager. jar. Update the Java Version . The /r/feedthebeast subreddit is not affiliated or associated with the Feed. Once that has completed. i see, i have it a try a while ago and i didn't like the idea of other launchers. Need suggestions for 1. Thousands of components will flow into and through the ever-growing sequence of your machines, providing the means to explore the next level of technology. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but. -Dsun. FooledEngineer • 4 yr. 16. For Minecraft versions before v1. Step 1: Open the Minecraft Launcher on the computer and tap Launch Options to continue. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. STEP 1 - Checking the conditions and requirements. Then copy and paste the Java Arguments from the first post in this thread into the Additional. I am putting different information in the JVM arguments line:-Xmx6G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M. 4 packs will run on 32 bit java. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. Find and install the Late Pack. I made sure Minecraft was using my GPU. -d64. With 32bit java, the maximum is around 1500MB. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. rmi. Not that this has helped much due to Mojang's horrible coding practices; my heavily modded 1. 9. The following performance tweaks REQUIRE. ago. - Java heap size This can be set in Minecraft Launcher - Edit Profile - JVM Arguments-Xmx1024M or -Xmx1G is usually enough. The MultiMC default memory settings are suitable for lightly modded instances or vanilla Minecraft. 4 GHz, 8GB of RAM (I also play on this computer, yes it's a bit old) MOD LIST 781. Vanilla Minecraft and Minecraft server software in version 1. First of all check for spelling mistakes. Memory usage before [jei]: Building ingredient filter: ~4. ※ 以下參數僅. Select the version of Minecraft you would like to change the RAM allocation to, and click on the 3 dots and click "Edit". However, I can't seem to fix it at all. This is to be expected as the game and mod (pack)s continue to evolve so quickly. Feed The Beast. gcInterval=2147483646 -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=51 -XX:G1HeapRegionSize=32M. • 2 yr. Windows needs ram for itself too. Setting java arguments in new Curse Forge : r/RLCraft. 6 ms, I don't use the default JVM arguments at all and have very smooth and stable performance on my heavily modded version even with a much higher render distance, and never notice GC lag spikes, which is nearly always the cause of lag spikes (on a smaller scale stuttering is. Connect and share knowledge within a single location that is structured and easy to search. Freshly install ATM7, start it up to initialize it once, edit the bat file to point to the appropriate java exe, and edit the arguments. This argument will enable Java to run in 64 bit. Create a text document in your server folder. 4. The easiest solution is just drop your java arguments in the launcher. Java Arguments:-XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX. 2 version. Then add the amount of RAM you would like to the JVM Arguments text box. You should also tweak your java arguments: -XX:+UseShenandoahGC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX. They should still be valid since those are arguments for java 8 and we still use java 8. IntegratedServer. bat". Use a text editor to open that file and add a new line in the ending and write the nogui command, save and (re)start server. (161 is the latest) 4. hello, I am making a modpack and Minecraft crashes on startup and tells me that I need to add more ram. sh (or . The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since. Learn How. 04 does not provide a recent enough version of Java in order to run the newest releases of Minecraft. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB. -Xmx8g -Xms8g -XX:+UseG1GC -Dsun. You are in the correct place. 8 Sort by: Open comment sort. Some people tell me to use no arguments, some say to use parallel GC, some say to use G1GC. dgc. Create a new installation, call it whatever you want. Select jar launcher and make sure your java is selected. Enter -Xmx6G if you want to specify an average of 6 GB of RAM to your game. Mods like Optifine and Sodium can't fix that; they can't affect how well your game can load chunks. There’s also Xms, though. Native Minecraft Server running on a free ARM Ampere A1 Compute instance on Oracle Cloud. Effortless File Management with Falix: Organize, upload, and manage your Minecraft files with ease. So I'm looking for good Java arguments to use for the game. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. So I'd apreciate some help ! SpecsStep 1: Launch Java Argument Generator. The most common is G1C1 (which you will see in most "recommended Java arguments" list). The Z Garbage Collector is enabled with the command-line option -XX:+UseZGC. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. x: 1. Arguments. Archived post. exe [arguments to java. the rest keeps reseting like I said. Whatever you decide to use as the argument parameters for your Minecraft instance, I would be sure to double check two things: The Twitch settings, in the Minecraft tab, check that the Java Settings slider is set to what you are wanting to use, and then click "Done" at the bottom of the Twitch Settings window. server. . I have found very brief and limited descriptions on how to use argument types and even looked at the vanilla commands. Issues with the Minecraft Launcher file path can cause the "exit code: 1" on Windows. CurseForge is one of the biggest mod repositories in the world, serving communities like Minecraft, WoW, The Sims 4, and more. If you have 16GB RAM, give Minecraft like 7GB. Step 3: Paste the text into the JVM Arguments text box, and click Save Profile. java -XX:+PrintFlagsFinalAll you have to do is install the plugin and run the following commands: /chunky radius 5000 followed by /chunky start. 想知道关于他们的介绍还请各位先参考以下链接,在这里我们是已知你已经知道怎么调整优化参数,以及知道模组版本的位置在哪里。. Reset all network settings. I have Minecraft with mods on Twitch. To start off, it is very important to check the requirements for a good performance in modern Modded Minecraft. - Memory : 16 Go - Java : Version 17. The following snippet is an example of the JVM flags that are displayed in a crash report when the global Java limit problem occurs. 32 render distance is 4,225. As usual i changed the amount of . It's a wild wild web out there, and in particular when it comes to modded minecraft, you may have noticed there's an awful of of outdated and bad info out there. 5. Posts: 1. I've tried the arguments in this post but the problem is that it takes. Save the settings and restart the pack. I works perfectly fine with a small number of mods but with as many as I have, it seems to cause a Java crash, not a Minecraft crash. files for sevtech. 1 but when I tried playing it says "This crash may be caused by an invalid java runtime configuration. With 32bit java, the maximum is around 1500MB. Java. Reposting my posts I have in the Paper & Spigot community here! EDIT: Please see for updated content. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. 88) The Modpack {Custom} The Crash Screen. 5. #1. 2>REM Add custom JVM arguments to the user_jvm_args. Also important: JVM arguments are case-sensitive; Try to install the non-native version of Java (the download can be found here). Click Cog > Minecraft. To add, what other said here. This will be huge for modded after Minecraft 1. exe file, but that didn't work either. 18+ world; there are only 7 major land biomes but the small-scale variation is vastly greater than since 1. What this does is free up unused memory periodically while java is running, aka cleans up the garbage. 2 and below generally requires Java 8. 4) Minecraft 1. exe and put in your arguments below that. 15 will not do well with such low memory…) java -Xms10G -Xmx10G -XX:+UseG1GC -XX:+ParallelRefProcEnabled . The main functions of JVM arguments are 2 things, to allocate RAM to the JRE (in this case, running minecraft) and the control the garbage collection of Java. , how much memory will initially be used when launching. Simply go ahead and edit a profile and where it says "Java Settings (Advanced)", tick all the check boxes. With the new launcher, it is allot easier to allocate RAM to your Minecraft. 9-R0. From mods like OptiFine and Sodium to more complex stuff like JVM arguments, we'll cover all of them here. With over 800 million mods downloaded every month and over 11 million active monthly users, we are a growing community of avid gamers, always on the hunt for the next thing in user-generated content. rmi. You might want to set the numbers higher (about double the default sizes is generally OK). (NO additional Java arguments are in use) ALL MEMORY STATS ARE INCLUDING. ALLOCATING MEMORY FOR MODDED MINECRAFT. Where do I add the *-Xmx10G* so I can give my server a max 10G of RAM. 3-SNAPSHOT. Check your JVM arguments, or remove any resource packs installed for this. 312-1\bin\java. bat variant, there are many guides everywhere. After a few research i finnaly found an java argument line that should work good to everyone, for me in enigmatica 2 expert doubled the frames, reduced processor usage by 50%, ram usage is at 4-5 Gb insted of 8-9, and lag spikes are drastically reduced ( 1 in 3 hours of gameplay) . 0. Special thanks to Keybounce for his research and ideas. These flags work and scale accordingly to any size of memory, even 500MB but 1. Specifically for the CPU. 18+ . You'll only need the JRE unless you plan to develop mods. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. preferIPv4Stack=true. Trust me, I've tried. 1. 8. Posted April 6, 2018. MultiMC generally adds most of the relevant JVM arguments itself, without. :P; 7. We would like to show you a description here but the site won’t allow us. Step 4:. 3. Figured out a solution to this bug. jar. Step 1: Go to Settings, Java, and click on the three dots next to Java path. Modify the Minecraft Launcher File Path. if I find better ways to increase performance. Then click on the 3 dots next to the installation you're using. Open Minecraft launcher. Locate your desired profile and click the three dots to the right. Click on the installations tab and find which installation you want to allocate more RAM to. ” In the “JVM Arguments” field, copy and paste this line of code right at the start of the criteria bar:-Djava. This can be resolved by: Looking at your FTB launcher and finding the version of Forge that the modpack runs on. or your device is just bad in general. g. For more information about the JVM Launch arguments go here Just turn off connected textures and leave 2 GB RAM on your phone. This is where you will paste the above arguments. Tech Support section is for getting help with FTB related problems. 7. every version should use these arguments, you can find an explanation of them on some old post. 5 GHz processor. It should assign two cores to the java vm. 2048M is plenty, depending on render distance and mods. Also try setting the render distance to 9 chunks, same with simulation distance. Though Minecraft mods bring you fun during the gameplay, they can affect your game. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. The only thing I have ever seen negatively impact performance with minecraft and memory when configured properly is having too little RAM and making GC work overtime to clear enough memory to load new things in. is that in the curseforge loader under the "additional arguments" in the setting I entered this -version:1. When I enter to a group of unloaded chunks, the camera moves like when the mouse moves with crazy speed and I don't like it very much. 12?. Step 3: Paste the text into the JVM Arguments text box, and click Save Profile. Then, in Minecraft, scroll all the way down to the bottom. 10 and I have a small server with my friends. Posts: 16. RTX 3070, AMD 5 5600x, 16 GB rams. 1 Forge version and performance/graphic change mods - Forge 1. Long story short, make sure you use the correct java arguments, throw as much memory as you can spare at minecraft and forget about it. CurseForge is one of the biggest mod repositories in the world, serving communities like Minecraft, WoW, The Sims 4, and more. Alternative JVM implementations such as OpenJ9 or GraalVM can work. Java 1. dgc. the biggest difference is that TieredCompilation uses a little more CPU right from the start to quickly compile needed methods. Followed a youtube tutorial to download CurseForge, Java and AllTheMods 6 1. Press edit minecraft. 8 has a newer GC called G1GC. 4 (my computer only has 3. Turns out, since most Minecraft server java arguments mods are made by hobbyists and not experienced coders, there are some bad programming habits that are common to them, and one of those appears to be calling explicit garbage collection, way too frequently, eating massive amounts of CPU time. I think an important tip to try if you choose to do the same with ChatGPT is to tell it not to answer until asking you questions first. Reports have been mixed on the upgrade, some people report next to no change in performance, whereas others like myself have doubled their frame rate from both updating to Java 8 and using the tweaked command line arguments we derived. 15 (Java 8+, MC 1. You can affirm in F3 how much is allocated and how much is being used. Don't set it too high. Open your downloaded Java 14 zip and place the folder in your program filesJava folder on your system hard drive. STEP 2 - Choosing the right performance enhancing mods. MultiMC generally adds most of the relevant JVM arguments itself, without any need for. 8. In the “Target” field, add “-Xmx2G” to the end of the line. You have two options, running your server through a . 12. ago. Regarding your FPS drops. bat file wont work. Once it's installed head on to your Minecraft launcher and create a new profile Select the Fabric Loader you've just installed in the version Click on more options and select Browse in Java Executable. If need be, it is possible to change the used Java version in the profile options menu. 0. I've been reading that ZGC has been a bit unstable but that is most likely tuning issues. Specs: i7, 4,4 Ghz, 4c8t. 19 requires Java 17 or higher. Also important: JVM arguments are case-sensitive; Try to install the non-native version of Java (the download can be found here). Near the bottom you will see JVM Arguments. Going 6gb average is not unheard of. What jvm arguments should I use on 1.