Unoptimized JVM Flags Solution: Unless your host doesn't support it, make sure that your JVM flags are optimized. The paper egg has some extra flags but I don't see the improvement to make them necessary. The ONLY gc-root reference in the heapdump to all of the leaked CraftWorlds and CraftPlayer is the entry in WeakHashMap, key being CraftPlayer. Should I use these flags instead of Aikar's flags for my papermc server? It only has a i5-4210u (2core, 4 thread) and 12gb ram, 8 of which is allocated on the server since if I allocate more, it starts using swap memory. Wait 10-15 minutes while the server is experiencing the lag. ClearLag >> Plugins that claim to remove lag actually cause more lag. sh, built with Blitz. Aikar is one of the principal devs on Paper, so quite a knowledgable and reputable source. 가비지 컬렉션중 가장 유명한 컬렉션은 Aikar Flags이다. start. Archived post. I have all chunks pre-generated, aikar flags, view distance is 3 with 6 no-view-distance, low mobs limits, 8 i8700 processors and 16GB of ram with 20GB total. Now server is upgraded to 26gb of ram, and these are the flags I set. 15. 2/ Sử dụng Aikar Flags Aikar Flags là gì? Bạn có thể xem chi tiết ở đây (nếu biết tiếng Anh) Làm sao để sử dụng Aikar Flags? Đơn giản thôi, bạn cứ copy dòng này vào file . I haven't been able to benchmark it myself by lack. The Server is running in a docker container useing the base configuration. Hello, I run different Fabric modpack, but this might be your issue too perhaps. Aikar flags seen here Aikar's Flags | PaperMC Documentation. yml settings to optimize (like world saving) and you can use Aikar's flags to make Java's Memory Management more stronger. Save the file. This is decided by three main factors: the number of players you have online, your server's view distance, and how spread out your players are. They are flags to be used when starting your server. In the example below, we can see that the report alerted us that the server is not using Aikar flags and it also provides a resolution. Diễn đàn. GUI. Enables the server's GUI control panel. I wasn't using any flags. Hi, I've recently set up a dedicated server for Minecraft with Pterodactyl. sh. The G1 garbage collector offers a great stability with decent performance, but may be slow in certain situations. I tried to use docker compose so that I can do quick start-ups. 13+ minecraft just needs 4gb for vanilla itself to run fine. 🔨 Building. It has 8GB of ram and an i3 10100. Aikar's flags are an optimized set of flags that can increase your server's performance with little effort on your part. It actually runs better with 3 GB than with 4 GB. OpenJ9 GenconEdit: Here is Aikar's testimony, he is an expert at Aikar flags. ZGC might become a good alternative, but it still has a long way to go until it clearly outperforms G1GC for MC. Why Aikar flags? Aikar studied the JVM flags for several weeks before ending with these. 9. Setting 3 Flags for 1 player at once: /res pset Aikar use,container,redstone true. lang. sh source code in your terminal. 18 paper spigot. 18, which is no longer actively maintained. In the example compose file it references a companion squid proxy by setting the equivalent ofDockerIt really isn't suited for running a Minecraft server for more than a very few amount of people. Aikar's Blog Post goes over how it works for transparency. 1. After preloading your world/chunks you should set a world border to preloaded world size. Its popular and effective at boosting performance over java defaults. 7 to 1. Flags Im using: -Xms5G -Xmx5G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions It turns out my host includes the other Aikar's flags, so removing some of the flags made the server start again. Inspired by startmc. Introduction After many weeks of studying the JVM, Flags, and testing various combinations, I came up with a highly tuned set of Garbage Collection flags for Minecraft. Been around the block in open source for a long time bouncing between a few game projects. Use Aikar's flags. Pinned PaperMC/Paper Public The most widely used, high performance Minecraft server that aims to fix gameplay and. 6. See moreAikar's flags are a great way to optimize your Minecraft server's performance, and will allow you to squeeze out every last drop of performance from your CPU and. Nothing but _version is set in paper-world. the point of them is to improve and provide consistent performance and be able to tolerate changes in load. The good news is that Aikar's flags is already supported with -e USE_AIKAR_FLAGS=true;Make sure to use paper and aikar flags and you won’t hit any problems with your farms. 2 on Java 11 with 24GB RAM and G1GC Aikar flags, collection pauses were around 40ms long every 10-15s. At 2GB heap, This means the Humoungous Allocation threshhold was 500KB. Timings can do the following things that spark does not: Count the number of times certain things. ago. New comments cannot be posted and votes cannot be cast. Lower is wasting memory while higher requires tuning. 📄️ Configuring Anti-Xray Paper ships an obfuscation-based Anti-Xray system by. The text was updated successfully, but these errors were encountered: All reactions. Describe the problem The USE_LARGE_PAGES environment option is not working when using the 1. Xmx represents the maximum amount of ram you server can use in ram and Xms represents the minimum. I've used it personally on my test server without issues, granted it's not under strain but it's been no different. Right now, use Java 18 as it comes with G1GC improvements over 17. I know that is the recommended flags from the spigot team but honestly I don't see the benefit of using them all. Flags discussion Hi all, Since the last update of the project, I was investigating about ZCG and Aikar flags and understand how it works. These are similar to the aikar flags, but with shorter, more frequent pauses, less aggressive G1 mixed collection and more aggressive background collection: -XX:+UseG1GC -XX:MaxGCPauseMillis=37 -XX:+PerfDisableSharedMem -XX:G1HeapRegionSize=16M -XX:G1NewSizePercent=23 -XX:G1ReservePercent=20 -XX:SurvivorRatio=32 . aikar. I have big problem so i setup akairs flags on my server. See section More then 12G below for additional large memory optimizations If you have a place where you can put the startup flags in directly, you should be able to just use Aikar's flags there including the xmx and xms values, and leave the max heap size empty wherever else. Aikar's flags are the gold standard, keep using them. At 2GB heap, This means the Humoungous Allocation threshhold was 500KB. Selamlar dostlarım, Ben Mustafa Esad! Bugün yeni bir tutorial videosu ile sizlerleyim. com • 2 yr. So the server can't start because I created it in Pterodactyl. jar. Restart the server: service minecraft. I've been racking my brain trying to get the best performance out of the java machine without getting great results until finally I made it. host:how-to-apply-aikars-flags; TL;DR. Newest Java versions using other GC method that needs more room to work (similar issue was happening with Aikar's flags because they using G1GC). Your server is still using the full 10GB of memory you allocated. Tighten Up Your GC with Aikar Flags. I have used the fill task on this exact server multiple times, but in 1. Run the Run. cd70cbc. It helped big servers at that time and it still helps them nowadays, but. CMS and default may suffer the same issue. More of a standard that most servers use. I was using aikar's not sure if they are still the best if someone could let me know. startPort This is the port from which the cloud will use ports for the services. En même temps, il est terriblement dépassé, tout ce qu'il mettait en œuvre était innovant à l'époque du JDK 8. 350,000 VNĐ 1 tháng . 04 and has 32GB allocated to it. Ensure Yarn and Node. Use these flags exactly, only changing Xmx and Xms. 15 (Java 8+, MC 1. This optimizes the garbage collector so it can use multiple threads for weak reference checking. . The more chunks your server has loaded at any one time, the more memory your server is going to need. 4 set to 14336mb of ram. The server is just clearing memory it allocated but it is no longer using (the technical name for this is called garbage collection ), and it needs to do this frequently so that your server keeps running normally. However, they can only be placed vertically and. This thread is archived New comments cannot be posted and votes cannot be cast comments sorted by Best Top New Controversial Q&A EnrichSilen • Additional comment actions. With new features and fixes coming every day, we recommend updating at least once per week to keep your server. There's a way you can make a leak with a WeakHashMap: the stale "expired" entries won't be deleted if you. In this guide, we'll show you how to eliminate the. I know that is the recommended flags from the spigot team but honestly I don't see the benefit of using them all. メモリの最大使用量を2GBに指定; Minecraft Wiki によると，-Xmsと同じ値にすることを推奨し. That the server will work with these flags and not crash on startup. Many minecraft server creators find it difficult to find the flags that fit their server. 18. Chào bạn, hãy đăng ký hoặc đăng nhập để tham gia cùng bọn mình và sử dụng được đầy đủ chức năng của diễn đàn :). #12 Titeiikko, Jan 15, 2023 + Quote Reply. While I do support also using these flags, the costs of those flags might be higher than the actual use in the use case of Aternos Roman Feb 2nd 2021 Closed the thread. Display results as threadsBanner Flags Data Pack (1. I am currently using a simple one but it worked out pretty well. Features. My specialty is in performance optimizations, but also DEATH TO BOILERPLATE software libraries. . Wir verwenden dafür die Paper-Spigot und die Aikar-JVM-Flags. txt and change eula=false to eula=true. ConclusionHello, I'm Aikar. Other projects by Aikar / Empire Minecraft. Look into using aikar flags for your server. either way you can always use google's page cache. TheKingElessar Legacy • 2 yr. Sign in to comment. Indeed, why change something that works? Well. Install the build dependencies via yarn. txt server. Aikar Flags ? Máy chủ Singapore . Try connect to it on Localhost:25565. vector not found #6. entity-activation-range. Development. Heute zeige ich euch, wie ihr einen eigenen Spigot-Server auf eurem PC / Server aufsetzen könnt. Además, una gran cantidad de entidades de objetos pueden causar problemas de rendimiento en el cliente. PLUGINS Plugins lol 1. 0. if anyone could help it would be amazing <3 [Pterodactyl Daemon] Server marked as STARTING [Pterodactyl Daemon] Checking size of server data directory. The bot on average can only play around 2-5 songs before the music cuts out. The errors may vary, but they always contain a cause and suggestion on how to resolve the issue. Code (Text): java. Imperial standard of the wife of the heir imperial son and the wife of the imperial grandson. power. Aikar's flags are a set of JVM flags designed to improve the performance of your Paper server. Paper recommends this startup argument for anything over 12gb of ram java -Xms14G -Xmx14G -XX:+Use… Aikar's Flags >> Your Xmx and Xms values should be equal when using Aikar's flags. Aikar's flags don't work. Hello All - I am trying to see if there is a way to host some of the newer mod packs like All The Mods 7 using AMP. " Incorrect. Este es un pequeño fragmento del proceso de. These flags are designed to change certain settings on the JVM that can improve the performance of the game. Protection, Claims, GriefPrevention, Flags, Rent, Sell. Killstreak702. They are the most tested and reliable set of flags out there, with time there will probably be a better set of flags for your server that utilize the new GC but for. This flag is used at the start of the game. I would say just use Aikar's flags and be done with it. Related Topics Minecraft Sandbox game Open world Action-adventure game Gaming comment sorted by Best Top New Controversial Q&A Add a Comment AutoModerator • Additional comment actions. The Airplane team has developed a nice little command generator that you might wanna check out: Airkar Flags Java Command Generator. More players, larger heaps, which means more short lived objects and longer GC scans. 0. The G1 garbage collector offers a great stability with decent. 1. After reading through Aikar's useful description of each flag's purpose, I've resorted to these flags which work brilliantly for my server: Code (Text): java -Xms5G -Xmx5G -XX:+UnlockExperimentalVMOptions -XX:+AlwaysPreTouch -XX:+ParallelRefProcEnabled -jar paper. Yeah this doesn't really make any sense and lacks a technical explanation. Yea I know Paper might be better perf wise, but all the plugins that were made/used were built on Spigot, so I don't know if the compatibility will be perfect or. A fatal exception has occurred. 19. Aikars flags are the most stable, the most thoroughly tested and the most recommended Java. This turns on the Java G1 garbage collector. Old plugins Description: Some plugins may SEEM to function normally, but in reality have some incompatibilities with your server version, causing potential memory leaks or errors. A fatal exception has occurred. 2’s 2Mbps per user, on a 10Mbps connection, yields an additional 200ms of latency and I think this is. I then announced my research to the public, and to this day. 17. This project will not be actively maintained. Newer Than: Search this thread only; Search this forum only. . Aikar's Flags are a set of command line flags that can be used to improve the performance of a Minecraft server running on the PaperMC server software. Development. You can use the same start port for multiple tasks, the system will use the next available port. install ipv4 ipv6 java java 11 Java 16 Java 18 java 8 java vesion jvm larger plan launcher login mail minecraft minecraft server modpack mtr mulicraft network In my experience it was usually a bad idea to run minecraft server in docker. openj9 has a different collector, which might be more ideal Aikars flags have some flaws. New comments cannot be posted. Other projects by Aikar / Empire Minecraft. I am currently using the Aikar's recommended flags (with G1GC), which require some ~6GB ram allocated to each and every server to maintain smoothness, even if the server only has like 5 players on it. For them, you have to create a ticket and one of their techs will change it to the values you want. Concurrency controls too. Spun up a new Paper instance with Aikar's flags on a different port with no plugins at all. Aikar's Minecraft Timings Viewer v2. HexedHero. 18 paper spigot. Ensure Aikar's Flags is selected. It helped big servers at that time and it still helps them nowadays, but Java evolved. Wait for about 30s for it to run the cmd and it will tell you to exit. Creator of Timings - Open Source Enthusiast - Mentor - Taco Lover - Make Minecraft Fast Plugin Developers: Annotation Command Framework - Discord: Code With Aikar, discord. You may configure the use of an HTTP/HTTPS proxy by passing the proxy's URL via the PROXY environment variable. For stable operation of "Paper" servers (and other Minecraft servers) it is recommended to use Aikar's flags: for example, this is the startup code that we use before switching to the LinuxGSM solution:AMP or Application Management Panel is a game server management panel. 15 will not do well with such low memory…) One of the common questions when starting a server is “What flags should I be using to launch my Minecraft server?” There’s a lot of incorrect information spread about what flags make your Minecraft server run fastest, so read on to find out what flags you need! Using Aikar Flags is relatively simple and only requires a few adjustments depending on what brand of server is in use and how much memory (RAM) is allocated to the server instance. There is A LOT going on other threads, namely the Light Engine, but also plugins galore and if you have chunks generating, then you can very easily max out 4 cores (more so on Paper)Thanks! I did LOTS of changes and the performance improved! I also found out that LeaderHeads was causing the server to freeze for more than 30 seconds sometimes, removing it literally took all lag. Enter the directory containing the flags. villagers-for >> Decrease this in spigot. Find the timings section, and make sure the enabled and verbose setting are set to true . JavituRec. Summary. Use some sort of domain forwarding website to hide my public ip ( dot. The best way to tweak the garbage collector to our needs is using flags. Updated a year ago Pufferfish Server Optimization Guide. 2/ Sử dụng Aikar Flags Aikar Flags là gì? Bạn có thể xem chi tiết ở đây (nếu biết tiếng Anh) Làm sao để sử dụng Aikar Flags? Đơn giản thôi, bạn cứ copy dòng này vào file . Describe the problem When I attempt to run two servers at once in the same docker-compose file, one of the servers' processes gets killed when another starts. 2. You can use the same set as 1. Some explanations:-e TYPE=AIRPLANE: We’re going to use a very optimized fork of Paper which itself is an optimized fork of Spigot. This is the main flag I researched and considered the best to add. This is a guide to tune Java for Minecraft. 15 (Java 8+, MC 1. Hi guys, how are you? I hope it's ok. Ensure Yarn and Node. The G1 garbage collector offers a great stability with decent performance, but may be slow in certain situations. 📄️ Aikar's Flags. ago. [Pterodactyl Daemon] Disk Usage: 2533M / 10240M [Pterodactyl Daemon] Ensuring correct. If you use a chat plugin for prefixes, you should consider enabling this. And that's why Ryzen cant handle 30 players. @DaneEveritt So when i got 1024,i should change it to 524?Join #aikar on Spigot IRC - irc. These are what I'm using currently (got this from one of my old 1. Startup flags might help, but without hard evidence I cannot say for sure. Aikar studied the JVM flags for several weeks before ending with these. </p> <h2 tabindex="-1" dir="auto"><a id="user-content-correct-flags. spi. 📄️ Configuring Anti-Xray. As I said before, If you aren't sure just use this. Chapter 3: Qajar Imperial Court Flags, Meaning of Tricolor Flag, Lion, Sun and Sword. Introduction After many weeks of studying the JVM, Flags, and testing various combinations, I came up with a highly tuned set of Garbage Collection flags for. zip from curseforge inside it is a directory [Better Minecraft Server Pack [FABRIC] v8] which has the directories and files actually needed inside of it. The file used to launch the server. TaskChain - Powerful context control to dispatch tasks Async, then access the result sync for API usage. Aikar's flags are optimized for Java 8-11 and Minecraft version 1. You'll want to tune this value for your server, but some recommended values are shown below: monsters: 30 animals: 10 water-animals: 5 water. More and more garbage collectors are being created, and a good. In your server console, type /whitelist add username where username is your MC username. With Paper and Lithium+Phosphor not available in a stable release, I've been wondering which flags to use to increase the performance on my server. 5GB at any given time. install ipv4 ipv6 java java 11 Java 16 Java 18 java 8 java vesion jvm larger plan launcher login mail minecraft minecraft server modpack mtr mulicraft networkIn my experience it was usually a bad idea to run minecraft server in docker. 5, Purpur, using Aikar flags. 3 Blocks in between when on Diagonal. wake-up-inactive. And ram usage is high is like 11. 0. The website also has a separate page that shows which flags were added and removed for each HotSpot version. we are currently running AMP 2. That is it. 5GB at any given time. Hello, i'm totally new to this panel. According to the Paper devs, you should still use aikars flags for 1. Aikar's Flags; Configuring Anti-Xray; Reference. Pterodactyl displays the head size. Also your startup flags say 8GB, so they don't seem to show how the jvm is actually started. Hi! As Maxx_Qc said you should be using Aikar's flags. This is not happening because of newest version of Minecraft. keep-spawn-loaded for a world named resource, you would edit paper-world. Enables the server's GUI control panel. I will use the aikar flags, the optimization guide and others, which optimization is not a problem. Closed ColorfulGhost opened this issue Dec 30, 2021 · 1 comment Closed. I've given it 10GB of ram, used aikar's recommended java flags. 9. There were no Problems, except this pack is using a huge amount of RAM. You haven't really got a lot of ram, cpu probably isn't great and you aren't using Aikar flags You should consider giving the server more ram (6-10gb) trippin. Indeed, why change something that works? Well. . The only 'special' flags I use are: -XX:MaxGCPauseMillis=100 and -XX:+UseG1GC. . In fact, all serious discussions (e. The updated aikar flags also helped a lot. Flags. That's half your problem. It's supposed to be done when creating the world, by setting initial-enabled-packs in the server. Aikar's Optimised G1GC Flags. there should be an option in multicraft called "startup parameters" but some hostings dont allow you to edit them, you should open a ticket if thats your case. Use these flags exactly, only changing Xmx and Xms. Going 6gb average is not unheard of. Discussion in 'Spigot Help' started by Deividas, Apr 4, 2020. Includes many configuration options such as Aikar's flags, automatic restarting, and Pterodactyl overhead calculation. Use Aikars Flags. CPU may be slightly higher, but your server will be overall more reliable and stable TPS. PaperMC Timings reports alert you if some settings are not optimized or are beyond their normal values. Looking at our timings, I can at least see that cod/salmon/tropical fish take up quite a bit of tps. startup flags arent going to improve your performance out of the box. Aikar's flags are an optimized set of flags that can increase your server's performance with little effort on your part. Wait for about 30s for it to run the cmd and it will tell you to exit. Miscellaneous. Try connect to it on Localhost:25565. jar nogui" and saving it as something dot sh. Feature Packed Use advanced features like file logging, asynchronous management, and more. true. Strum. matthewpi closed this as completed on Jun 26, 2021. Learn how to configure it here. From what I understand, systemd doesn't understand the flags, so I tried running it with a script that has a screen command set up, but somehow it still fails. orange flags. Copy link. Aikars flags are enabled except for the same Xmn and Xmx. Using Aikar Flags is relatively simple and only requires a few adjustments depending on what brand of server is in use and how much memory (RAM) is allocated. The only 'special' flags I use are: -XX:MaxGCPauseMillis=100 and -XX:+UseG1GC Actually, unused memory is wasted. Added option to use Aikar's flags. 17 since the new gc is mainly focused for multithread performance and mjnecraft is still mostly single thread. @Aikar You need to like annotations The flags seem like a nice concept though, and the resolvers look nice. I suspect a minigame server could use a smaller heap due to fewer chunks being loaded. I entered the server, played for a while - ram usage grew, grew, grew, by 70mb totally. We will be using flag. Spark - Allows you to analyse your servers CPU and memory usage. Use Aikar's flags, 16GB is probably too much. 0 Many users who gave low ratings due to some bugs in the plugin, didn't even try to report it, or talk to the dev, every time I reported a problem, everything was quickly resolved. Shen I don't know much about but until there's solid data at least somewhat close to g1s data I'm not. Filename. . Applying The Flags - Game Servers. 13. Save the changes and start your server up. The good news is that Aikar's flags is already supported with -e USE_AIKAR_FLAGS=true;Make sure to use paper and aikar flags and you won’t hit any problems with your farms. You can use the same start port for multiple tasks, the system will use the next available port. Administration. What is Aikar's Flags . In fact you don't (and probably shouldn't) even need to declare a port mapping for that container. AMD Radeon Graphics Cards / GPUs. No aikar flags, just 25gbs of ram and it has run the best that I've seen it run in weeks. Aikar's Flags Optimize your server with Aikar's Flags right out of the box. Windows needs ram for itself too. In addition to being numerous, these flags are sometimes poorly documented and create a need of benchmarking to ensure that the flags and their associated values deliver the best performance and stability for a particular program to execute. Here you can set custom jvm options. bat của bạn, nhớ là để ở đằng sau phần -jar nhé. HTTP Proxy. </p> <h2 tabindex=\"-1\" id=\"user-content-correct-flags-to-use\" dir=\"auto\"><a class=\"heading-link\" href=\"#correct-flags-to-use\">Correct Flags To Use<svg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1. 13, so if you want a consistent. -XX:G1NewSizePercent=40 -XX:G1MaxNewSizePercent=50 -XX:G1HeapRegionSize=16M -XX:G1ReservePercent=15 -XX:InitiatingHeapOccupancyPercent=20Search titles only; Posted by Member: Separate names with a comma. 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. Spigot is not providing anything for this, since it is a separated and old Command manager using the old NMS system. initial-enabled-packs=vanilla,bundle,update_1_20. Wait 10-15 minutes while the server is experiencing the lag. :/Aikar Flags - Java startup flags, the best to run a minecraft server. If you are running with 10GB or less memory for MC, you should not adjust these parameters. if your doing fine and then all of a sudden you start lagging, flags MIGHT fix. . 4 set to 14336mb of ram. Fine tuning your GC to your needs isn't uncommon, on top of that aikar's flag values are pretty close to the default values but feel free to link the article. For better GC. Run the Run. What is up with Aikar's flags? Are they still relevant, my timings report says I'm not using them, but the website it links to is gone. This thread is archived New comments cannot be posted and votes cannot be cast comments sorted by Best Top New Controversial Q&A scotch1701 • Additional comment actions. md 🚩 Aikar Flags En esta pequeña guía se explica en forma resumida las Aikar Flags, qué significan, qué beneficios pueden traer su uso a tu servidor y cómo aplicarlas si deseas hacerlo. txt and change eula=false to eula=true. Aikar's flags don't work. The default value is 70. Creator of Timings - Open Source Enthusiast - Mentor - Taco Lover - Make Minecraft Fast Plugin Developers: Annotation Command Framework - Discord: Code With Aikar, discord. jar. However, we still have tps drops as more than ~5 players are on. I think CPU Class matters. You can even create a script for it (just adding the line "java (put aikar's flags here, customizing ram amount) -jar server. 8. Large view distances are the primary cause of servers running out of memory. In this video we'll showing you How to Use Aikar Flags on your Minecraft ServerWant a Minecraft server? Order one here: CODE "Y. To configure your server, see the Global Configuration and Per World Configuration pages. Invalid maximum heap size: -Xmx(자신이 지정한 크기) The specified size exceeds the maximum representable size. Kind Regards, JakeCurseForge is one of the biggest mod repositories in the world, serving communities like Minecraft, WoW, The Sims 4, and more. PaperMC Manager. The problem with your server: ONE PROBLEM: Your server's garbage collection task is taking quite a bit of time - your server is currently stuttering (stopping completely actually) briefly every 15 seconds. OP should just leave his memory at 10 GB and move on. Auto-tuning approaches have already been proposed in order to mitigate this burden. js and Mantine UI. log -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+Pr. Or Code With Aikar Discord. It's ModelEngine, it causes most of the lag on your server. I have 6gb ram on a server, leaving 1gb for os and everything, and dedicating 5gb to the minecraft. Copy link Member DaneEveritt commented Feb 9, 2019. Setting the priority of. . well, I guess worked? It ran with 2 or 3 people so I don't think it made a difference. These flags are an industry standard in JVM performance for Minecraft server and can significantly improve the performance of a server. Meaning unless your running 3GB+ on Bungee, you MUST use this flag with G1GC. I tryied the Aikar Flags but server does't fully start, it stays in the starting phase with the yellow dot and the CPU at 2/3%. Basic Troubleshooting. flags forge ftp getting started hardcore how do I downgrade my server how do i upgrade my server how to how to login how to make my server letters How to upgrade or downgrade a service. I have made some documentation and flags for using ZGC, but I don't personally suggest using it unless you actually have a reason, such as needing way more ram then 8gb. Green - The amount of RAM your server is using.