Minecraft - RAM usage is really high (3GB) whilst idle

Technical Support
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System Information

Field Value
Operating System Linux - Debian GNU/Linux 13 on x86_64
Product AMP ‘Deimos’ v2.7.0.0 (Mainline)
Virtualization Docker
Application Minecraft
Module MinecraftModule
Running in Container Yes
Current State Ready

Task

Make the server use less RAM

Problem Description

Issue

Minecraft server uses about 3 RAM even when nobody is online. I tried limiting the RAM, because maybe it was just too much. I’m quite sure it’s not the plugins.

Reproduction Steps

  • Limited RAM to 6 GB
  • Installed some plugins (about 10 of them)
  • played with up to 6 players on the server
2

That’s expected. Java is a virtual machine, it doesn’t release memory back to the OS when it’s done with it. There is no action to take or resolution necessary. You can use Sleep mode to reduce resource usage on empty servers if you’re using a supported server type.

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