How to Allocate More RAM to a Minecraft Server
If you’ve recently added more players, more mods, or both to your Minecraft server, then it might be time to allocate more RAM. Here’s how to do so for a smoother gameplay experience.
Allocating more RAM isn’t necessarily a silver bullet—oftentimes optimizing the server itself is a better solution than throwing more RAM at the problem—but there are certain situations where it is called for.
Minecraft is a very resource-intensive game, and increasing the amount of RAM allocated to your server can solve a variety of issues from phantom blocks to players rubber-banding and stuttering as they move across the map.
As you increase the numbers of players, add plugins and mods, build increasingly more sophisticated projects (like automated item sorters, farms, and such), and so on, the demand you put on the server increases. If you’ve gone from camping out in a dirt hut with one friend to building an elaborate Redstone creation with ten, it’s probably time to allocate more RAM.
There are different ways to host a Minecraft server. To save you time, let’s first talk about where you can and can’t use the method we’re about to outline.
If you are using Minecraft Realms, the official Mojang server host, you can’t adjust your RAM allocation—and you don’t need to.
Minecraft Realms were originally hosted on Amazon Web Services (AWS) servers and are now, after a migration following the Microsoft acquisition of Mojang, hosted on Microsoft Azure servers. The whole time Realms has used a dynamic memory allocation system. Your Realms server simply increases or decreases how much RAM it uses without any intervention from the Realms owner.
If you’re using a commercial Minecraft host you’re usually paying for a specific tier of hardware. In light of
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