RAM for a Minecraft Server Server

A Java Edition server with a 4 GB heap: about 10 to 20 players on vanilla, fewer with mods. That needs about 4.79 GB; a 6 GB plan leaves room to spare. Adjust it below.

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Operating System
Web Server

Choose a plan with

Estimated use 4.79 GB, plus 25% headroom

Where It Goes

Linux300 MB
Java game server4.5 GB

VPS RAM Calculator

Memory for Minecraft Server

Linux300 MB
Java game server4.5 GB
Plan to Choose6 GB

A Java Edition server with a 4 GB heap: about 10 to 20 players on vanilla, fewer with mods.

Figures are typical; check real use with free -h and htop after a week of normal traffic, and resize if the server swaps.

Questions

How much RAM does a minecraft server server need?
About 4.79 GB for the set-up described; choose 6 GB to leave headroom.

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