Timings wont throw a fit for not using Aikar's Flags. After every game, map is being overwritten by template world generated with MissileWars plugin (and editted by ourselves). In your case, I would just set both flags to the same value, so -xms6500m -xmx6500m. Pregenerate the world. I think people generally use either the ones from cpw or the ones from aikar. It's ModelEngine, it causes most of the lag on your server. Updating Paper is an important part of running every server. #はじめに本記事ではマインクラフトのサーバをコンテナで構築します。仮想マシンを作ってJDKをインストールしてjarファイルを実行して・・・というやり方が多いと思います。このやり方も問題ないです…please add additional Flags to the minecraft server launch setting code. The aikar flags actually had my average tick time (while still under 50 I think is the aim) bouncing around more than no flags. In fact, all serious discussions (e. I am currently using a simple one but it worked out pretty well. bat của bạn, nhớ là để ở đằng sau phần -jar nhé. Administration. Development. Use these flags exactly, only changing Xmx. That is it. Was trying to run server with current aikar's startup java flags but. The errors may vary, but they always contain a cause and suggestion on how to resolve the issue. If you have issues related to Paper, report them on Paper's issue tracker, not on Spigot! max-auto-save-chunks-per-tick Default: 24 Optimized: 6 Performance Impact: Heavy This slows down incremental chunk saving during the world save task. The right flags will make a huge improvement to your 1. 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. Follow (if applicable) this settings guide for Paper. View aikar-flags. Spigot is not providing anything for this, since it is a separated and old Command manager using the old NMS system. I wasn't using any flags. It has 8GB of ram and an i3 10100. Aikar flags: java -Xms1G -Xmx6G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX. According to the Paper devs, you should still use aikars flags for 1. Wait for about 30s for it to run the cmd and it will tell you to exit. Zgc requires large heaps to be usable in minecraft high allocation rate. Creator of Timings - Open Source Enthusiast - Mentor - Taco Lover - Make Minecraft Fast Plugin Developers: Annotation Command Framework - Discord: Code With Aikar, discord. This is the main flag I researched and considered the best to add. You're saying that without evidence. Understand that CPU usage is not a accurate metric. Includes many configuration options such as Aikar's flags, automatic restarting, and Pterodactyl overhead calculation. Most of the garbage collection parameters are already available under Advanced > Startup Parameters on the control panel (it looks like just one of the parameters you requested isn't available - the. You can use the same set as 1. minServiceCountUSE_AIKAR_FLAGS=TRUE Optimizes the JVM options to use the so-called Aikar Flags. His garbage collection is based on the G1 algorithm. 16. log -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+Pr. Using Aikar's Flags, an optimimised set of flags for running Minecraft, you can potentially increase your performance. Ensure Aikar's Flags is selected. Setting the priority of. Your command has multiple lines - in bash shell this must all be on one line or use the line continuation character. I then removed unused plugins and all plugins that caused tps lag in Aikar's Timings v2 (except for Slimefun, Exotic Gardens, and Citizens). 25/GB Intel Core I9-9900K/AMD. Hi! As Maxx_Qc said you should be using Aikar's flags. A single Pi optimization though. Newer Than: Search this thread only; Search this forum only. These flags are an industry standard in JVM performance for Minecraft server and can significantly improve the performance of a server. 17 since the new gc is mainly focused for multithread performance and mjnecraft is still mostly single thread. Also, -Xms32G -Xmx48G is awful, these values should match so the heap isn't being resized at runtime and your heap is just too fucking large, with 12 players online max ~12-20G is what you would assign with a huge and resource intensive modpack, for a Paper server something like -Xms8G . Chunky - Pre-generates chunks for better performance on survival servers. After some research and trying to use Aikar’s startup flags, I discovered with Timings that the are some lag spikes interval arround 2-3 minutes and the GC might be the cause. As such they’re are recommended for newer versions of the game, modded servers, and public servers. 2. This script is highly customizable. Automatically disabled in environments without a desktop. Aikar flags seen here Aikar's Flags | PaperMC Documentation. Garbage collection helps reduce the amount of ram the server is using, mainly Aikar flags are used in this case). 15. The name attribute is freeform, not the actual username, so make it descriptive so that you know who it is! Users can change their names over time so use this to know who it is. 4 set to 14336mb of ram. Son garbage collector est basé sur l'algorithme G1. The idea seems to be perfect for a game server, which includes of course Minecraft. 9' services: mine. An extra optimization to Aikar flags, the JVM arguments that make your Minecraft server smooth. Search titles only; Posted by Member: Separate names with a comma. ago. Keep in mind that mob farms do not work as efficient on smp compared to single player tho. Aikar's Timings Viewer We just expierenced various form of lag and therefore i took a new timings in just a few small minutes interval. 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 . The server I administrate for currently uses AMP to assist in managing server settings, and our server is currently set to 16gb (our machine is 32gb, but we also run another server with less ram allocations on it and also leave the rest of the space for the OS). 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. VideoklipBG said: ↑. Default flag Anhalt: ANH_absolute_monarchy. 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. incubator. 📄️ Configuring Anti-Xray. Player joins - going up 1200 MB +, joins one or two more. entity-activation-range. sh in your start. If you do not have a multi egg server you need to request it from your hosting providor!How to get a custom domain for your minecraft server:Flags are currently the most optimised and tested startup flags for Minecraft. 1: This flag is used. Hi, I've recently set up a dedicated server for Minecraft with Pterodactyl. jar or fabric-server-launch. Aikar’s flags are a set of flags that can be used when running the game. PaperMC also has an explanation of what the JVM flags are doing. Large red flags and over 700% on full server tick. openj9 has a different collector, which might be more ideal Aikars flags have some flaws. Many in the developer community here should know me for my work on Paper (and previously Spigot), working to improve the server performance. Opinion on start-up Aikar Flags for server optimisation? Does it actually improve server performance allocating RAM to different things or is it total BS. Use these flags exactly, only changing Xmx and Xms. World was pre-gened 5,000 square and players are just building bases and not exploring. 15 (Java 8+, MC 1. bleagh said: ↑. Auto-tuning approaches have already been proposed in order to mitigate this burden. At the same time, it is hugely outdated, everything that it implemented was innovative in the days of JDK 8, but now it is not. Aikar's flags are the gold standard, keep using them. More players, larger heaps, which means more short lived objects and longer GC scans. TaskChain - Powerful context control to dispatch tasks Async, then access the result sync for API usage. 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. 1. Chapter 3: Qajar Imperial Court Flags, Meaning of Tricolor Flag, Lion, Sun and Sword. Two studies [9, 12] are closely related to our work since they tackle a wider range of flags. Aikar's Flags; Configuring Anti-Xray; Reference. java -Xms512M -Xmx512M -jar waterfall-###. I will use the aikar flags, the optimization guide and others, which optimization is not a problem. Why Aikar flags? Aikar studied the JVM flags for several weeks before ending with these. I've gone through and optimized some of the bukkit/spigot/paper yml settings. [Pterodactyl Daemon] Disk Usage: 2533M / 10240M [Pterodactyl Daemon] Ensuring correct. if your servers lagging out of the box at X player count, flags arent going to fix that. These flags are constantly updated, and can be found here. These flags are made by Aikar and you can find the explanation for the flags here. @DaneEveritt So when i got 1024,i should change it to 524?Join #aikar on Spigot IRC - irc. 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. Its popular and effective at boosting performance over java defaults. Has anyone else noticed that using Aikar's recommended startup arguments seems to worsen the server performance? I have been trying to run the world fill task and it would only last about 10min before crashing. Areeb try waterfall if thats still causes issues if you're willing to change to Velocity that'll help overall with performance and ram usage but doesn't have compatibility with bungeecord plugins although there are a lot of alternatives. native-minecraft-server-279 1. I had checked #13 but my situation is a bit different from that case. Join our passionate team in building the world’s most advanced electrical vehicle technology platforms unlike anything seen in the industry. By default, Java's garbage collector is not optimized for running Minecraft servers, but Aikar's flags is a set of tuned flags that is specifically designed for running Minecraft servers. Aikar's flags work well. Auto-tuning approaches have already been proposed in order to mitigate this burden. ( CraftPlayer and CraftWorld cross reference each other before being normally GCd). 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. java -Xms12G -Xmx12G -XX:. Feature Packed Use advanced features like file logging, asynchronous management, and more. 8+) Update. Learn more about bidirectional Unicode characters. jar nogui from the end if you plan to use those. I have removed the flags that define the . ago. Separate configuration portion of the file to make it easier for you to configure. Also GHz has nothing to do with single thread performance. Ensure Yarn and Node. Very strange, CPU class is one story but raw processing power of 3600 is bigger. ClearLag >> Plugins that claim to remove lag actually cause more lag. . Display results as threadsこれを実行すればいいわけです．ここでコマンドの引数の詳細はAikar's FlagsやMinecraft Wiki より，-Xms2G. Aikar's flags are a set of JVM flags designed to improve the performance of your Paper server. sh. Administration. OutOfMemoryError: unable to create new native thread. The bot on average can only play around 2-5 songs before the music cuts out. Aikars flags are enabled except for the same Xmn and Xmx. My specialty is in performance optimizations, but also DEATH TO BOILERPLATE software libraries. These flags are designed to change certain settings on the JVM that can improve the performance of the game. Pastebin. Paper uses paper. 20: Has the Autocracy law and is a Chiefdom or Monarchy. Aikar's flags are an optimized set of flags that can increase your server's performance with little effort on your part. 18. Basic Troubleshooting. The G1 garbage collector offers a great stability with decent. No because as cat mentioned, zgc is not recommended for most people and even those it can work for, jury is still out on is it worth it. Aikar's flags work well. Open eula. The server runs on Ubuntu 20. Aikar's flags are an optimized set of flags that can increase your server's performance with little effort on your part. As you can see it's just aikar's flags, with minimal necessary changes (xms value, xmx value, -jar name). Why not Aikar flags? . jar nogui". So the server can't start because I created it in Pterodactyl. Large view distances are the primary cause of servers running out of memory. Enable Aikar's Flags¶ Aikar has done some research into finding the optimal JVM flags for GC tuning, which becomes more important as more users are connected concurrently. If you require any further help feel free to contact us and we will make sure everything works. No aikar flags, just 25gbs of ram and it has run the best that I've seen it run in weeks. Sign in to comment. The website offers search and sort features to help navigate the large number of flags. gt to discuss. Killstreak702. For JVM flags, I'd suggest EITHER just the Xmx value (with Xms set to the same value), or use the 'Aikar flags) (Aikar is one of the prime guys on PaperMC, and has done loads of research on the 'best' flags for Minecraft servers) - see. Put the world on an SSD to avoid stalling threads waiting on the world to load/save. These flags work and scale accordingly to any size of memory. I'm not as smart as some, but here is a basic explanation: Java's memory management is awful, and with that much ram allocated, it will be spending most of its time trying to manage that memory. But ok,. The more chunks your server has loaded at any one time, the more memory your server is going to need. 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 . Most of my focus is in Minecraft for the most recent years. You should now see Timings Reset in your console. 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. js are installed. 12 forge server): java -Xms6G -Xmx6G -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:MaxGCPauseMillis=100 -XX:+DisableExplicitGC. You can use the same start port for multiple tasks, the system will use the next available port. bat của bạn, nhớ là để ở đằng sau phần -jar nhé. 13. We have about 20 players, about 6 on max at a time, with about 15 plugins. Automatically disabled in environments without a desktop. A tool to generate optimised startup flags for gaining the best performance out of your Minecraft server. flags, focusing on a subset of specialized flags carefully selected [3, 4, 11, 14, 15], thus avoid the need of modeling the dependencies and incompatibilities between flags. spi. Read that Aikar's guide, it tells you specifically how to set up your JVM arguments to work with RAM over 10GB. This is used quite extensively in Spring/Spring Boot (a little bit of reference here), though Spring goes quite. Here is flags i used: java -Xms11G -Xmx11G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch . 📄️ Configuring Anti-Xray Paper ships an obfuscation-based Anti-Xray system by. json ops. Features. Look into using aikar flags for your server. Aikar's Flags Recommended JVM Startup Flags . OP should just leave his memory at 10 GB and move on. :/Aikar Flags - Java startup flags, the best to run a minecraft server. Added option to use Aikar's flags. Sign up for free to join this conversation on GitHub . ago. While these tweaks notably reduce some server and client stutters, expect only modest TPS gains + minimal FPS gains at best, and somewhat. For our example deployment, using the recommended resource settings, we have found that this runs very smoothly and using. 9. Version: 2. This project will not be actively maintained. Been around the block in open source for a long time bouncing between a few game projects. 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. . ^ Oracle GC tuning guide explaining the behavior, use cases, suggesting flags for tuning, etc. Now server is upgraded to 26gb of ram, and these are the flags I set. This is an extension for WorldGuard, adding 26 new flags to your regions. Memory leaks come from plugins and the software running the plugins in this case buneecord/forks. Save the file. Aikar flags seen here Aikar's Flags | PaperMC Documentation. Please reserve some RAM for your OS and more if you wish to also play Minecraft on on the same device. JAR with the flags. 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. I was wondering if you'd be able to show me how to incorporate the aikar flags into the launch file cause I have no idea. Run the Run. 17. lang. In order to override the default for an option, you must. I want to reduce their spawn rates. -XX:+ParallelRefProcEnabled. AMD Radeon Graphics Cards / GPUs. Anhalt: ANH. the feature is disabled in the docker compose for testing, but since the crash remained it is not related to this. They all give me the same result, the memory usage just goes up indefinitely until the server crashes. The WorldGuard Extra Flags plugin released in mid-2015 by isokissa3 on Spigot, collecting over 150,000 downloads. Además, una gran cantidad de entidades de objetos pueden causar problemas de rendimiento en el cliente. jar Here is. The /r/feedthebeast subreddit is not affiliated or associated with the Feed. Save the changes and start your server up. In fact you don't (and probably shouldn't) even need to declare a port mapping for that container. itzg closed this as completed on Apr 11, 2020. but I don't have solutions for you there (or evidence). This thread is archived. I've been running Aikar's flags for years now. PaperMC Timings reports alert you if some settings are not optimized or are beyond their normal values. . I never ran a forge server so I can't give you advise for that, I'm sorry But lowering the amount of ram may help a bit (Java garbage collection system needs to work more) and if it is applicable, look into the aikar flags! Good luck!Saved searches Use saved searches to filter your results more quicklyAikar Flags . Or Code With Aikar Discord. 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. 1. . That the server will work with these flags and not crash on startup. 🔨 Building. JavituRec. Brilliant thanks Aikar! Ive been pondering what I should do with Waterfall flags for a while! For everyone else that doesn't have Discord or doesn't know how to find the waterfall discord/channel and search through Pins, Optimized Waterfall flags are: java -Xms512M -Xmx512M -XX:+UseG1GC -XX:G1HeapRegionSize=4M . Reply More posts you may like. Red - The amount of storage your server is using. Looking at our timings, I can at least see that cod/salmon/tropical fish take up quite a bit of tps. Or Code With Aikar Discord. I have a problem using Aikar Flags. (i said somehing here but it doesn't work anymore). Because you posted the flags with values and asked for an explanation. The best way to tweak the garbage collector to our needs is using flags. Use some sort of domain forwarding website to hide my public ip ( dot. yellow flags. The file used to launch the server. the point of them is to improve and provide consistent performance and be able to tolerate changes in load. 가비지 컬렉션중 가장 유명한 컬렉션은 Aikar Flags이다. Many minecraft server creators find it difficult to find the flags that fit their server. . For those. we are currently running AMP 2. true. 2. Assuming. On this page. 18. Depending on which Java parameters you use when starting Minecraft, will make a difference in your memory usage. guid118 • Developer • 2 yr. startPort This is the port from which the cloud will use ports for the services. Newer Than: Search this thread only; Search this forum only. #12 Leonardo_, Nov 4, 2021. Hi, it is good to use spark along with timings because as said in the spigot plugin page. 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. That's really cool information thanks. 8. aikar commented Sep 26, 2020. Or Joe Rogen Experience or whichever bullshit Oracle made. Async Pathfinding and Multithreaded Entity Tracker from Petal. Run the Run. It runs really smooth, and I love it. 우리는 그 결과물을. Code; Issues 3; Pull requests 0; Actions; Projects 0; Security; Insights; Module jdk. If these flags help your server, consider donating! The JVM Startup Flags to use – MC 1. Other projects by Aikar / Empire Minecraft. 7 to 1. Yeah this doesn't really make any sense and lacks a technical explanation. For some reason it is not starting the server. 17. The /r/feedthebeast subreddit is not affiliated or associated with the Feed. Yes it is a bungeecord server server but it doesn´t need to restart every time to reset map. So you have two choices: java -Xms3G -Xmx3G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch . Server is Fabric 1. 19. Aikar studied the JVM flags for several weeks before ending with these. Other projects by Aikar / Empire Minecraft. JavituRec. Includes many configuration options such as Aikar's flags, automatic restarting, and Pterodactyl overhead calculation. Except when I press F3 in the game, it only shows that 1024mb is allocated. gg/papermc Server Owners: Proven Optimized Server Startup FlagsOh no. The server runs Java 11. I've tried to look up similar problems, but it seems that it was. It seems files were still being written after server shut down, and I rebooted the hardware too quickly. This is done using pcopy:In trying to evaluate this, I think this means 1. Raspbian is probably lighter than suggested Ubuntu. This is for a large part true. You can even create a script for it (just adding the line "java (put aikar's flags here, customizing ram amount) -jar server. The set of flags documented there can be added usingAikar's flags . HexedHero. Select "Paper" as the server version whichever host you use as youll get the best performance/memory usage out of that anyhow, Vanilla is. For them, you have to create a ticket and one of their techs will change it to the values you want. I'm using Pterodactyl and I allocated about 6GB. I have used the fill task on this exact server multiple times, but in 1. The ONLY gc-root reference in the heapdump to all of the leaked CraftWorlds and CraftPlayer is the entry in WeakHashMap, key being CraftPlayer. cd70cbc. I am on Pebblehost and I just had to deal with this. Solution: Remove the plugin, or change your server's version. 5GB at any given time. Hi guys, how are you? I hope it's ok. sideeffectdk • 2 yr. Firstly you can check for Aikar flags that can help you. GUI. Ensure Yarn and Node. 19 and has specific versions to support them, respectively. Fork of Pufferfish for the best performance. 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. They are flags to be used when starting your server. What is Aikar's Flags . 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. As he said, the algorithm is incredibly stable but is incredibly slow by current standards. It actually runs better with 3 GB than with 4 GB. Describe the problem The jarfile isnt downloaded or is downloaded but not saved into the /data directory, so the server can't start because it is unable to use the missing jarfile Container definition version: "3" services: Minecraft: im. 18 paper spigot. In some cases people have reported getting 2000%-3000% better frame rates from this one change alone. flags. This article will show you how to apply Aikar's flags. *looking through bookmarks* Okay I can't find the source but there is a. However, the garbage collector can play a large role in performance and memory usage. Deividas. Thanks for being a part of r/Admincraft ! We'd love it if you also joined us on Discord! Join thousands of other Minecraft administrators for real-time discussion of all things related to running a quality server. Sadly the log file is not of any help to me, I cant figure. You should now see Timings Reset in your console. Pinned PaperMC/Paper Public The most widely used, high performance Minecraft server that aims to fix gameplay and. itzg referenced this issue on Apr 11, 2020. The server runs Java 11. 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. The container port within the docker network is still 25565 for main-hub. I'm using Aikar's flags as well and have 0 performance issues or anything like that. New comments cannot be posted and votes cannot be cast. I have been setting up a server for about a month now and heard about Aikar's Flags can someone tell me what it is? This thread is archived New comments cannot be posted and votes cannot be cast comment sorted by Best Top New Controversial Q&A Disconsented • Additional comment actions. Previously, on shared servers, we had 10G total allocated, but only used ~5-8. GUI. 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. And that's why Ryzen cant handle 30 players. Aikar studied the JVM flags for several weeks before ending with these. 15 Catalina. The AMD is Desktop CPU, Xeon is Server CPU. I am currently running a server with 300+ players online, and during special events, they can be 100 to 150 at the same area (it's a KotH). . #12 Titeiikko, Jan 15, 2023 + Quote Reply. AntiRedstoneClock - Disables redstone clocks when your server TPS drops. According to the Paper devs, you should still use aikars flags for 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. The file used to launch the server. It helped big servers at that time and it still helps them nowadays, but Java evolved. 2. Unoptimized JVM Flags Solution: Unless your host doesn't support it, make sure that your JVM flags are optimized. 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. Phoenix616 mentioned this issue on Nov 3, 2021. . -XX:UseSSE=4. I think CPU Class matters. Adjust xmx and xms accordingly for your RAM and leave some room for the operating system -- don't allocate 100% of the RAM to your Minecraft. 18 paper spigot. Likely due to so much memory. Just a quick note when using the -o flag on a startup script (if you do) don't use it with servers you intend on using with BungeeCord, because the -o flag overwrites the server. This is the system behind that processes Timing reports. Aikar's flags are for a server (works on client too) so make sure to remove the java from the beginning and -jar paperclip. Most of my focus is in Minecraft for the most recent years. 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. Startup aikar flags: At first I had the startup ram to 12gb, but that itself was a bad idea, as it ate all my 24gb of ram. Automatic tuning of GC parameters. Program will exit. So then there is Aikar's flags which. Display results as threadsBanner Flags Data Pack (1.