Memory Leak

Memory Leak

A server side administrator and developer tool to intentionally cause controlled memory leaks. Perfect for stress testing servers, testing memory monitoring tools, or simulating memory pressure scenarios.

by
28.6K Downloads
fabricneoforgequiltmanagement
Rent Server with this Mod

About this Mod

Memory Leak

A server side administrator and developer tool to intentionally cause controlled memory leaks. Perfect for stress testing servers, testing memory monitoring tools, or simulating memory pressure scenarios.

Warning

This mod is designed for testing and development purposes only. Using it on production servers without proper understanding can cause crashes and data loss.

Commands

All commands require operator permissions (level 4).

Command Description
/leak start <MB> <seconds> Start leaking <MB> megabytes over <seconds> seconds
/leak stop Stop the current leak (keeps leaked memory)
/leak clear Stop leak and free all leaked memory
/leak status Check current leak status

Available Versions

Memory Leak 2.0.0 for Fabric 26.1.1release
MC 26.1.1fabric, quilt
April 9, 2026
Memory Leak 2.0.0 for NeoForge 26.1.1release
MC 26.1.1neoforge
April 9, 2026
Memory Leak 1.0.0 for 1.21.11release
MC 1.21.11fabric
February 7, 2026
Memory Leak 1.0.0 for 1.21.10release
MC 1.21.10fabric
February 7, 2026
Memory Leak 1.0.0release
MC 1.21.11fabric
January 24, 2026

How to Install Memory Leak on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (26.1.1).

3

Install Mod

Open the mod browser in the dashboard and search for "Memory Leak". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabricneoforgequilt

Minecraft Versions

26.1.1, 1.21.11, 1.21.10

Server-side

Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Memory Leak server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (26.1.1). You can switch loaders with one click in the panel.

Is Memory Leak compatible with fabric and neoforge and quilt?

Memory Leak officially supports fabric, neoforge, quilt for Minecraft 26.1.1, 1.21.11, 1.21.10. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Memory Leak – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Memory Leak consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

Rent Modded Server

Install Memory Leak with just one click on your server.

Recommended RAM
4 GBfrom €5.2/mo
Minimum 3 GB | per 8 players
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
MIT License
Server-side
Unsupported

Supported Versions

26.1.11.21.111.21.10