ModsJava
Lag Alert
Java mod listed for Minecraft 1.21–26.x. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
- Tracks usage of server RAM, CPU and disk dynamically. When the CPU usage is high for sometime, automatically warns players, same with RAM.
- Scans disk, CPU and RAM very efficiently, no performance downgrade at all.
- Can warn players and also log them in console.
- Tracks TPS and MSPT and warns players about it if certain limit is crossed. (Configurable)
No configuration needed, just install, and use PlugManX or normal server restart to load the plugin. Everything is configurable.
Default Config
- RAM source:
container - RAM options:
container,auto,physical,heap - Disk source:
auto - Disk options:
auto,server-files,filesystem
Showcase:
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.1, 1.21.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as LagAlert-1.0.0.jar — drop this file into the mods folder
- Download size: 30 KB
- Download link checked 24 Oct 2026 — working
These come from our own check of the pack file, not from the source page.