OJ's Optimizations

Name: OJ's Optimizations
Price: 8 EUR
Author: OJTheHeckarman

A set of mods that I personally use to get the best performance out of my Minecraft. It also has a couple handy mods.

by OJTheHeckarman

63 Downloads

0 Followers

fabricMC 1.21.4optimization

Rent OJ's Optimizations Server

About this Modpack

What is OJ's Optimizations?

OJ's Optimizations is a modpack that has a lot of helpful mods to keep your Minecraft Fast and Smooth. It also has some helpful features, like ViaFabric Plus.

How do I Install it?

Install the Modrinth App
When Downloading, click the "Install on Modrinth App" Button
Click Install
Click Play OR click the 3 dots at the top > Open Folder > mods, and copy all the mods to put into your minecraft.

Thanks for using OJ's Optimizations!

Available Versions

OJ's Optimizations 1.0.0release

MC 1.21.4fabric63 downloads

April 27, 2025

How to Set Up a OJ's Optimizations Server

Order Server

Choose at least 4 GB RAM (6 GB recommended for OJ's Optimizations). Based on player count: per 8 players.

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "OJ's Optimizations" and click "Install". The fabric loader and Minecraft 1.21.4 are configured automatically.

Start Server & Play

Start the server – all mods are loaded automatically. Share the server IP with friends and play together!

Frequently Asked Questions

OJ's Optimizations server crashes or won't start – what to do?

Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 6 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.

How much RAM does a OJ's Optimizations server really need?

Minimum 4 GB, recommended 6 GB for stable performance. per 8 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €8/month).

Can I add custom mods to OJ's Optimizations without conflicts?

Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.4). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.

OJ's Optimizations server lagging – performance tips

1) Increase RAM to 6 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.