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Minecraft · RAM

Minecraft server RAM: what to check before upgrading

Planning a server or dealing with slowdowns? Start by describing your game and what you observe. This guide helps you prepare a decision without calculating a RAM requirement.

In this guide

What is your situation?

I am planning my first server

Record your edition, version and intended modpack. Confirm support before choosing a plan.

My server slows down or stops

Record when the problem happens and the information your host displays. Keep the exact message if the server stops.

I want to change plans

Prepare a backup, keep your observations and compare the new plan’s conditions.

Observe a real session

Record concurrent players, what you are doing and what happens. If the panel displays a memory measurement, note its value, unit and label.

What to have ready: A dated observation with the symptom and its context.

Concurrent playersRecord during your trial
Activity and observed problemRecord during your trial
Available measurement, unit and labelRecord during your trial
Planning diagram, with no performance measurements

Identify what still needs checking

An advertised RAM amount alone does not confirm that a plan fits your game. Record the version, server software and exact modpack. If the cause remains unclear, send this information to support.

What to have ready: A specific question to check before buying more RAM.

Edition and versionRecord during your trial
Server software / modpack and versionRecord during your trial
Planning diagram, with no performance measurements

Prepare a comparable trial

Keep a copy of the world before making changes. Record the setting or plan you are testing and keep other conditions as similar as possible. Repeat the same activity with a comparable group.

What to have ready: Two observations you can compare.

Prepare a backup

World copy to keepPrepare a backup
Trial configurationSame activity and comparable conditions
Planning diagram, with no performance measurements

Adjust after the trial

Compare the problem before and after the change. If it persists, keep that result and continue investigating. Before changing plans, check compatibility, backup conditions and cost.

What to have ready: A decision based on what your group observed.

BeforeActivity and observed problem
AfterResult after the trial
Planning diagram, with no performance measurements

Your before-and-after notes

Copy these notes to keep your observations. The spaces contain no measurements and are not saved on this site.

Your before-and-after notes

Edition and version

BeforeRecord during your trial
AfterRecord during your trial

Server software / modpack and version

BeforeRecord during your trial
AfterRecord during your trial

Concurrent players

BeforeRecord during your trial
AfterRecord during your trial

Activity and observed problem

BeforeRecord during your trial
AfterRecord during your trial

Observation date and duration

BeforeRecord during your trial
AfterRecord during your trial

Available measurement, unit and label

BeforeRecord during your trial
AfterRecord during your trial

Change tested

BeforeRecord during your trial
AfterRecord during your trial

Result after the trial

BeforeRecord during your trial
AfterRecord during your trial

What this guide can help you check

A hosting plan describes resources and conditions. This guide does not convert player counts into RAM requirements or automatically identify the cause of a slowdown. If panel readings or messages remain unclear, send your notes to your host’s support team.

Prepare your next step