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Addition: Some people say optifine makes Minecraft use all available cores, some people say it makes Minecraft use 3 cores and some say Minecraft is hard limited to 1 core. I’m specifically talking about 1.8.9. You can assume the game to mostly utilize a single core for main game loop stuff. That includes mobs, blockupdates, random ticks ...
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This feature is exclusive to Java Edition.
This page lists the server requirements of the current Java Edition version, 1.20.2.
For a full tutorial on setting up a Minecraft server, please read the installation and configuration guide.
Requirements may change depending on the server software (like the OS), such as using Bukkit and/or mods.
•A Java runtime (JRE), version 8 or higher. JDK contains JRE, so it will work too. As of version 1.17, JRE version 16 is required. For version 1.18, JRE version 17 is required.
•At least 1 GB of RAM allocated for the server to run (-Xmn 128M -Xmx 1G).
•If you are using Windows or a desktop-based Linux distribution, you should have at least 1 GB of additional physical RAM in the computer, so the graphics on the desktop don't become laggy. It is difficult to determine how much RAM is needed because there are many factors to consider such as the number of players on your server and how they interact with the game world. While a player object only requires about 50 to 100 MB of RAM, the server often has to allocate much more memory per player for many different reasons.
•Depending on the specific java version, you may be able to set a "soft max RAM" amount for the server JAR program. The JDK will try to keep memory usage below the soft max, but will allow it to go above it to reach -Xmx if needed. Try -Xmn 128M -XX:SoftMaxHeapSize=1G -Xmx 2G.
•A CPU with good single-core performance. The server (as of 1.14) does use additional cores for other operations, but typically three cores are used at most.
1.https://www.ionos.com/digitalguide/server/know-how/setting-up-a-minecraft-server-with-a-dedicated-server/
Minecraft: Java Edition
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There you can chose how many cores you want to use. Also set the priority to high. I run an intel 4860hq quad core with hyperthreading (so pretty much 8 cores). In my experience, setting task manager to use all cores actually hurt performance. I set it to use only the first four cores and performance was much better.
Aug 19, 2017 · The most I've seen a Minecraft server use was four threads on my Steam server. Usage was low (~20%), but higher than idle (10%). Note: I don't play Minecraft and just followed a guide on setting up a Minecraft server.
- one core. the entirety of the tick handling is trough one thread. all that remains past that in terms of cpu usage is stuff that java is doing, or...
- Thanks! Know what kind of software they are using?
- https://minecraft.gamepedia.com/Server/Requirements/Server and https://www.planetminecraft.com/blog/minecraft-servers-require-more-than-you-think-h...
- custom. as in, they take a developer, give him coffee and a computer, and shower him in money.
- Ah, ok lol
- I've seen my modded servers use all 8 threads of my CPU, vanilla only 4.
- use them, or use them efficiently?
- One core is usually higher than the others at idle, but all usually sit at pretty low usage since the 4790k has good single core performance. If yo...
- i'll tell you how i can give you a way to check: all the functional bits of a minecraft server are written and executed in a single thread, this is...
- No, it's been a while since they enabled multithreading, now stuff like chunk loading, redstone ticks, entity movement, etc. are divided up into se...
Also 1 thread ≠ 1 core, the kernel will regularly move threads between cores, put multiple on one core, etc. The important part about Minecraft's threading is that the main game loop - that is block updates, player updates, mob AI etc - is still single threaded, and cannot by meaningfully multithreaded in any significant way. 4.
400 GB empty space. 2 TB backup space. 1 Gbit/s. 1 Gbit/s. RAMDisks can considerably accelerate world saving/loading in a very populated server. NOTE: information is outdated. Windows 10 has been the Primary version of windows for 3 years. Use of server-side plugins can allow game to utilize up to 4 threads for superior performance. RAMdisks ...
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Oct 23, 2019 · Oct 23, 2019. #1. Does minecraft use only one cpu core, and if it does does it automatically pick the fastest core? so if i were to lower to clockspeeds of all cores and then increase the clock speed of one by a lot would minecraft pick that core and would I geet more fps? or is there a way to assign minecraft to all cpu cores or assign it to a ...
