PacketDiscard
A server-side mod that discards (doesn't send) 50% of non-essential packets.
About this Mod
PacketDiscard
PacketDiscard is a server-side mod that discards (doesn't send) 50% of packets the server tries to send, except for the essential ones like login packets, Chunk load packets and keep-alive packets.
Thanks to YTG1234 for PacketIgnore, the mod that inspired me to make this one.
Available Versions
How to Install PacketDiscard on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "PacketDiscard". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.21, 1.20.6 (+5 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
PacketDiscard 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 (1.21.1). You can switch loaders with one click in the panel.
Is PacketDiscard compatible with fabric?
PacketDiscard officially supports fabric for Minecraft 1.21.1, 1.21, 1.20.6. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with PacketDiscard – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if PacketDiscard 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.
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Rent Modded Server
Install PacketDiscard with just one click on your server.