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. For our example deployment, using the recommended resource settings, we have found that this runs very smoothly and using. Back then we could not use JVM arguments. Pastebin. Use the CPU with the fastest individual cores you can find/afford. This is for a large part true. ClearLag >> Plugins that claim to remove lag actually cause more lag. com • 2 yr. 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. Do cat /proc/cpuinfo and see what is the highest SSE your cpu supports (shows up under flags). 3, 1. . sh, built with Blitz. @DaneEveritt So when i got 1024,i should change it to 524?Join #aikar on Spigot IRC - irc. How-to Guidesits highly recommend to use Aikar's suggested jvm arguments which can be added automatically by the environment variable USE_AIKAR_FLAGS: "true" more info here> aikar's website and itzg-doc. 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. Some of the. 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. startPort This is the port from which the cloud will use ports for the services. gg/papermc Server Owners: Proven Optimized Server. With time there will probably be a new set of flags that uses it and outperforms Aikars current set but for now, Aikars flags are the most stable, the most thoroughly tested and the most recommended Java VM flags for a Minecraft server. Id say 3GB , if you go with PiglinHost ask them to install Aikar flags for you, will help a bunch with performance and memory. spawn: keep-spawn-loaded: false. My Minecraft JVM Flags Guide Check out pinned repo's for some of my most recent work. But anyway you can specify memory consumption with java arguments: -Xmn 1G -Xmx 1G where Xmn flag sets how much memory allocate at start (something like a minimum) and Xmx flag sets maximum for memory (in my experience if minecraft server runs more than a day, it always uses maximum). I think CPU Class matters. 19 and has specific versions to support them, respectively. . The right flags will make a huge improvement to your 1. Server runs AMP, Aikar's Flags won't apply Hi there, forgive me for sounding dumb. I'm looking at Aikar's flags and now that I'm running on a dedicated server, I no longer have the convenient option of asking my provider to give me a . 1. How-to Guides. In fact, all serious discussions (e. When we were running Minecraft 1. Windows needs ram for itself too. Chapter 4: Pahlavi Imperial. I have also looked up into this issue and saw that my colleague has contacted you and the topic was resolved in discord. 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. Try connect to it on Localhost:25565. Từ ngày5/12/22. Anhalt: ANH. 7 to 1. JVM 최적화를 위해 우리가 삽질을 할 필요는 없습니다. I haven't been able to benchmark it myself by lack. Ensure Yarn and Node. . Version: 2. I have big problem so i setup akairs flags on my server. In this video we'll showing you How to Use Aikar Flags on your Minecraft ServerWant a Minecraft server? Order one here: CODE "Y. In your server console, type /whitelist add username where username is your MC username. gg/papermc Server Owners: Proven Optimized Server Startup FlagsAdvance Startup is a batch script used to execute any jar including the server jars like Spigot / Paper / Bungeecord / Waterfall / Standalone jar. I changed both Xms and Xmx to 10G, because the flags recommend matching them. the wiki is constantly updated, so that's enough take a little time to read, and everything will be clarified, in. 6. but I don't have solutions for you there (or evidence). To sum up, a reasonable flag combination can be as simple as -Xmx4G -Xms1G -XX:SoftMaxHeapSize=3G -XX:+UnlockExperimentalVMOptions -XX:+UseZGC. The /r/feedthebeast subreddit is not affiliated or associated with the Feed. For those. Selamlar dostlarım, Ben Mustafa Esad! Bugün yeni bir tutorial videosu ile sizlerleyim. 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. I know that is the recommended flags from the spigot team but honestly I don't see the benefit of using them all. 90/12GB somehow. If you have a Game or Minecraft server with us. In this article, we will discuss what Aikar's flags are, how they work, and how you can apply them to your server. Wait 10-15 minutes while the server is experiencing the lag. 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 . The G1 garbage collector offers a great stability with decent. OpenJ9 GenconEdit: Here is Aikar's testimony, he is an expert at Aikar flags. Timings v2 requires one of the following server softwares: CraftBukkit/Spigot Support is very unlikely, but it is strongly recommended to use Paper anyways! Learn More and Get Paper here. But ok,. 🔨 Building. Firstly go to your server properties file. Appreciate the input! ReplyI read this documentation and they recommend using these flags for a velocity instance:-XX:+UseG1GC -XX:G1HeapRegionSize=4M -XX:+UnlockExperimentalVMOptions -XX:+ParallelRefProcEnabled -XX:+AlwaysPreTouch -XX:MaxInlineLevel=15. Understand that CPU usage is not a accurate metric. This thread is archived. 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. 9. sideeffectdk • 2 yr. cd70cbc. Port forward to 25565. 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 . It supports Minecraft 1. I've given it 10GB of ram, used aikar's recommended java flags. no, when using aikar flags, you should always allocate 100% of memory, flag benefit is faster GC, that causes smaller lag spikes and overall better performance I personally dont use flags on my proxy #6 kacperleague9, Nov. 만약 메모리 할당량 12GB 이상으로 하실 분은 아래를 Aikar Flags를 보고 수정하셔야 합니다. sk's article really only suggested one single flag: The CMS GC. Some of the flags include reducing the amount of RAM and processor usage, as well as optimizing the game for better performance. A project I made to help manage PaperMC servers hosted on MacOS 10. 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. villagers-for >> Decrease this in spigot. bat file again. Your server is still using the full 10GB of memory you allocated. bat của bạn, nhớ là để ở đằng sau phần -jar nhé. godsdead 🦜 piratemc. The most impactful change is the monsters limit. Spark - Allows you to analyse your servers CPU and memory usage. Wir verwenden dafür die Paper-Spigot und die Aikar-JVM-Flags. 에서 빠르게 JVM 인수들이 달린 명령을 생성 할 수 있다. I'm using one of the latest versions of Paper and running Aikar's JVM flags. Basic Troubleshooting. Today I am here to find the best Java & Launch flags for MC. vector not found #6. etil2jz / etil-minecraft-flags Public archive. Automatically restarts the server after it crashes or is stopped. We lost 2 player's playerdata. yml. There were no Problems, except this pack is using a huge amount of RAM. The file used to launch the server. 800,000 VNĐ 1 tháng . 17 server, which is why we wrote an entire article on it! Garbage Collection can cause lag spikes right in the middle of PVP, or mining, or events that cause the entire server to freeze while the garbage is cleaned up. Administration. Aikar's flags are optimized for Java 8-11 and Minecraft version 1. 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. Aikar's Flags Optimize your server with Aikar's Flags right out of the box. So my recommendation for optimal BungeeCord performance, use: Did it rebuild after changing the startup? It should have. Server is Fabric 1. 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 . native-minecraft-server-279 1. Describe the problem The USE_LARGE_PAGES environment option is not working when using the 1. Spun up a new Paper instance with Aikar's flags on a different port with no plugins at all. USE_AIKAR_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: false: ⬜️: JVM_OPTS: General JVM options can be passed to the Minecraft Server invocation by passing a JVM_OPTS environment variable. Pregenerate the world. ago. itzg referenced this issue on Apr 11, 2020. Install the build dependencies via yarn. Aikar's Flags; Configuring Anti-Xray; Reference. txt and change eula=false to eula=true. Turn my firewall off. If I run the below below docker-compose. #12 Titeiikko, Jan 15, 2023 + Quote Reply. 18. C'est très simple. In fact you don't (and probably shouldn't) even need to declare a port mapping for that container. So my recommendation for optimal BungeeCord performance, use:Did it rebuild after changing the startup? It should have. Other projects by Aikar / Empire Minecraft. Unoptimized JVM Flags Solution: Unless your host doesn't support it, make sure that your JVM flags are optimized. More players, larger heaps, which means more short lived objects and longer GC scans. ok btw i have added aikar flag and here is my new memory, btw my tick durations at /spark tps is 100-300 and its red is this any problem and do u have idea how to fix this #15 Ton4ic, Apr 24, 2023 + Quote Reply. #13 DefineOutside, Feb 19, 2021 + Quote Reply. jar or fabric-server-launch. 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. Right now, use Java 18 as it comes with G1GC improvements over 17. Hello, do Aikar's flags supposed to work on windows? Because for me no :/. Sign in to comment. txt server. jar file and min/max memory as most launchers should sort this anyway. However, the garbage collector can play a large role in performance and memory usage. Describe the problem It looks like the memory variable is not being respected while using USE_AIKAR_FLAGS: "true". Very strange, CPU class is one story but raw processing power of 3600 is bigger. 0. 4 set to 14336mb of ram. Pinned PaperMC/Paper Public The most widely used, high performance Minecraft server that aims to fix gameplay and. A simple explanationwhy more ram is not good when not needed: Despite all flags, more ram means java needs more time to inspect the ram contents for things it no longer needs and it also takes more time to defragmentate. In this video we'll showing you How to Use Aikar Flags on your Minecraft Server Want a Minecraft server? Order one here: are my startup flags, the current issue is the memory rises rapidly to about 50-60% usage and then resets back to 500MB, is this normal behaviour and are. Here you can set custom jvm options. Kenapa Aikar flags? gw mempelajari Aikar flag JVM selama beberapa minggu sebelum bikin ini. 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. After reverting back to the default startup arguments, I. While taking off the flags and changing the xms to 256, the server was only using about a gig and a half with both my friend and I on. Player joins - going up 1200 MB +, joins one or two more. Đăng ký ngay Medium 6. The /r/feedthebeast subreddit is not affiliated or associated with the Feed. 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. 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 :). VideoklipBG said: ↑. However, they can only be placed vertically and. host:how-to-apply-aikars-flags; TL;DR. If you're using an AMD graphics card, one of the best performance improvements you'll get is by adjusting the mipmap settings. Auto-restart. Every flag and tweak is individually benchmarked to test for regressions, and checked against Java defaults to avoid redundancy. Content mods that add machines, worlds, monsters, etc, will take more than a mod that blurs your inventory screen for some reason. 18. Hello, thanks for reply. Save the file. It has Support for AutoRestart, Aikar Flags, Custom Flags, Custom Restart Timeout, Autogeneration for Mojang Eula and many more !! FEATURES : Standalone /. Comme il l'a dit, l'algorithme est incroyablement stable, mais il est extrêmement lent par rapport aux normes actuelles. dex#3102. Going 6gb average is not unheard of. Minecraft server can't allocate full { {SERVER_MEMORY}} amount in XMX #3726. Aikar's flags work well. Aikar flags: java -Xms1G -Xmx6G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX. This thread is archived. Newer Than: Search this thread only; Search this forum only. They are flags to be used when starting your server. Open eula. 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. Wait for server to start up fully. Lengauer and Mössen-I'm sorry about the misinformed response you received from us - we do already allow Aikar's flags as well as the addition of custom parameters. Paper uses paper. keep-spawn-loaded for a world named resource, you would edit paper-world. Development. Nothing but _version is set in paper-world. Aikar and. Basic Troubleshooting. entity-activation-range. Why Aikar flags? Aikar studied the JVM flags for several weeks before ending with these. formatMsgNoLookups=true flag to protect against the recently discovered exploit. java -Xms512M -Xmx512M -jar waterfall-###. I use MC Server Soft for hosting so I don´t need to usee Start. PaperMC also has an explanation of what the JVM flags are doing. ago. The bot on average can only play around 2-5 songs before the music cuts out. Aikar's Flags Pretty much everyone knows about these. Many in the developer community here should know me for my work on Paper (and previously Spigot), working to improve the server performance. The Airplane team has developed a nice little command generator that you might wanna check out: Airkar Flags Java Command Generator. OutOfMemoryError: unable to create new native thread. Includes many configuration options such as Aikar's flags, automatic restarting, and Pterodactyl overhead calculation. Creating the custom pack might well mean you're missing the recipes and stuff included in the built-in packs. Memory. 1: This flag is used. 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. txt and change eula=false to eula=true. 4. Features. Miscellaneous. However, we still have tps drops as more than ~5 players are on. Located in the same directory as your configuration files. Use these flags exactly, only changing Xmx and Xms. I had checked #13 but my situation is a bit different from that case. No aikar flags, just 25gbs of ram and it has run the best that I've seen it run in weeks. As such they are recommended for newer versions of the game, modded servers, and public servers. 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. In some cases people have reported getting 2000%-3000% better frame rates from this one change alone. My question is, in my timings report, using Aikar’s startup flags, there is a red number in G1 Young. 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. Hi! As Maxx_Qc said you should be using Aikar's flags. You can use the same start port for multiple tasks, the system will use the next available port. [Pterodactyl Daemon] Disk Usage: 2533M / 10240M [Pterodactyl Daemon] Ensuring correct. In your server console, type /whitelist add username where username is your MC username. . This was noticed by trying to use Aikar's suggested flags with a Paper server including the -XX:+AlwaysPreTouch in the startup argument (which should always be used to improve performance because no time needs to be wasted changing the allocation sizes and also to prevent crashes when the server can't allocate enough memory like it is the. In order to override the default for an option, you must. Previously, on shared servers, we had 10G total allocated, but only used ~5-8. The set of flags documented there can be added usingAikar's flags . startPort This is the port from which the cloud will use ports for the services. Optimistic x 1; List; Reply to Thread¡Buenas, buenas, buenas! Esta es mi primera vez grabando un video, sepan disculpar los errores y la mala calidad. flags. Newer Than: Search this thread only; Search this forum only. This turns on the Java G1 garbage collector. ioAikars flags uses G1GC, as opposed to ZGC. 17 since the new gc is mainly focused for multithread performance and mjnecraft is still mostly single thread. 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. I entered the server, played for a while - ram usage grew, grew, grew, by 70mb totally. ago. That the server will work with these flags and not crash on startup. properities; set max players to 4, decrease chunks to 8, set my private ip in there. Aikar's flags are the gold standard, keep using them. jar. TheKingElessar Legacy • 2 yr. 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. It provides a graphical overlay to simplify the deployment of game servers, and serves as the next iteration of the popular Minecraft server control panel McMyAdmin. Select "Paper" as the server version whichever host you use as youll get the best performance/memory usage out of that anyhow, Vanilla is. 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). Yes it is a bungeecord server server but it doesn´t need to restart every time to reset map. Using Aikar's Flags, an optimimised set of flags for running Minecraft, you can potentially increase your performance. 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. gt to discuss. 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. 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. 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%. Hello, I run different Fabric modpack, but this might be your issue too perhaps. The only real symptom of too much ram is just really bad lag spikes, as Java has to do more. -XX:UseSSE=4. Bat file. Memory. You need to set this to the correct SSE your cpu can support. 15. Keep in mind that mob farms do not work as efficient on smp compared to single player tho. 아래의 내용을 -Xmx와 -jar 사이에 넣으면 된다. Which means to avoid old CPUs. Development. 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. I only use Aikar flags. This is the system behind that processes Timing reports. It's not a shared server, I have more than enough space on it, etc. A fatal exception has occurred. . well, I guess worked? It ran with 2 or 3 people so I don't think it made a difference. -Change startup command for add Aikar flags (just change startup command for update) 07 June, 2022-add instructions for add a custom serverjar version easily: 05 June, 2022-Resolve a problem with fabric server instalation (for update just upload content of panelfiles folder)In the meantime, I advise you to use purpur affixed with paper, which also has spark integrated inside it. Program will exit. When I download Better+Minecraft+Server+Pack+[FABRIC]+v8. sh. aikar commented Sep 26, 2020. Large servers may want to reduce this value to 20 or below, while smaller servers may want to increase it to 50 or above. The right flags will make a huge improvement to your 1. You'd need a different set of flags for ZGC. I've used it personally on my test server without issues, granted it's not under strain but it's been no different. I know that when it was happening, the server consistently had. This issue happens when only 2~3 players are online. Inspired by startmc. minServiceCountDynmap writes out PNG files as it generates a map. 2) introduces a brand new mechanic that allows you to place your banner horizontally to make it feels like a flag. Do you use aikar's flags? Could I get a copy of your timings? Yes I use modified aikar flag (I use graalvm, so just some graalvm flags), and I can't do timings anymore, I reverted to the previous version with backup since it was killing my server. These are what I'm using currently (got this from one of my old 1. Người tạo chủ đề Khoong Cos Teen. How to apply Aikar's Flags Add the following flags based on your java version to enable GC Logging:</p> <p dir=\"auto\"><strong>Java 8-10</strong></p> <div class=\"highlight highlight-source-shell notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"-Xloggc:gc. Copy link Member DaneEveritt commented Feb 9, 2019. 1. 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. PaperMC Timings reports alert you if some settings are not optimized or are beyond their normal values. It's pretty useless to know about all these, the most important ones are -Xmx {number}G and -Xms {number}G. jar. I changed both Xms and Xmx to 10G, because the flags recommend matching them. Summary. REALLY useful for getting the most out of your RAM on a MC server - whether you are memory light OR memory heavy (too much heap with the wrong/default flags can actually be a problem, due to very long garbage collector runs). " Incorrect. GUI. His garbage collection is based on the G1 algorithm. I am on Pebblehost and I just had to deal with this. You can also issue the command /timings reset to make the Timings Report start a brand new report. 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. Imperial standard of the wife of the heir imperial son and the wife of the imperial grandson. I will use the aikar flags, the optimization guide and others, which optimization is not a problem. The text was updated successfully, but these errors were encountered: All reactions. ( CraftPlayer and CraftWorld cross reference each other before being normally GCd). What flags 1. 04. Use Aikar's flags, 16GB is probably too much. The file used to launch the server. Hello, I ran into a problem of trying to do maximum optimisation of my server. Concurrency controls too. 19. Chapter 2: Iran Post Islamic Historical Flags and Emblems. Bat file again. Includes many configuration options such as Aikar's flags, automatic restarting, and Pterodactyl overhead calculation. We couldn't get a formerly working config on a Xeon based server to work and cut down entities (1/5th) and render distance (now 5) to make it server 20ticks to just FOUR PLAYERS. I have to add the flags by writing to host admin, because I am using like hosting especially for minecraft. I tested these on my server, and have been used for years. Setting a flag for 3 players at once: /res pset Aikar,Maxarias,Krysyy move false. 가비지 컬렉션중 가장 유명한 컬렉션은 Aikar Flags이다. It actually runs better with 3 GB than with 4 GB. Contains Lithium patches which respect Vanilla parity. either way you can always use google's page cache. sh. Administration. En même temps, il est terriblement dépassé, tout ce qu'il mettait en œuvre était innovant à l'époque du JDK 8. Ironically it dousnt change much so it could be static and hosted on netlify free at near instant speed. For more advanced Java tuning, see Aikar's Flags. 0. Meaning unless your running 3GB+ on Bungee, you MUST use this flag with G1GC. Aikar's flags are a set of JVM flags designed to improve the performance of your Paper server. . The updated aikar flags also helped a lot. Create a . If your PC has 8gb total ram--- DO NOT allocate over 4. Generally, Aikar flags are still considered best practice. 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. yellow flags. The server runs on Ubuntu 20. Filename. </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. Please reserve some RAM for your OS and more if you wish to also play Minecraft on on the same device. 13. These flags work and scale accordingly to any size of memory. For some reason it is not starting the server. Also, is that the same map ? It seems to take lot of time to manage hoppers and beacon. Two studies [9, 12] are closely related to our work since they tackle a wider range of flags. It's been almost a month since the last post, however, I'd like to report that I'm also getting poor chunk management with Aikar's flags too. The website also has a separate page that shows which flags were added and removed for each HotSpot version. jar. 5GB at any given time. 13+ minecraft just needs 4gb for vanilla itself to run fine. Or Code With Aikar Discord. Other projects by Aikar / Empire Minecraft. Timings wont throw a fit for not using Aikar's Flags. So you have two choices: java -Xms3G -Xmx3G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch .