How to Give Minecraft More RAM

Minecraft: Java Edition has its own launcher which makes it easy to adjust all sorts of settings for the game. One of the settings you can tweak is how much RAM the game can utilize. If you’re running a big map with lots of custom creations, have a lot of mods installed, or just want the best possible performance for your Minecraft game, allocating more RAM can make a big difference. Here’s how to do it:

How to Allocate More RAM to a Minecraft Server

If you’re running your own Minecraft server for friends and family to use, then making sure it has enough RAM is important. Without enough, you will be limited in the number of players your server can support, and the game can lag as changes to the world are sent out to every other player. Select the text field to place your cursor in it, then use your keyboard to delete the 2, and replace it with another number. In our testing, we changed it to 4G, allocating 4GB of RAM to our Minecraft install. Fortunately, allocating more RAM to a Minecraft server is still quick and easy. Just follow these steps. java -Xmx@@@@M -Xms@@@@M - jar server.jar nogui Then, change the @ symbols to the quantity of RAM you want to allocate to the server. It needs to be written in the number of Megabytes of memory, and must be a multiple of 64. So for around 2GB of memory, put 2048. That would read: java -Xmx2048M -Xms2048M - jar server.jar nogui