DedicatedMC
Guide
Fixing 'Can't keep up! Is the server overloaded?'
If your server console is printing "Can't keep up! Is the server overloaded? Running Xms or Y ticks behind"
Topic
Performance
DedicatedMC
Buying Guide
Protecting the tick: core isolation, kernel latency and the numbers
How we give a game server its own cores, what we changed in the kernel, and the scheduler latency we measured across three kernels, limits included.
DedicatedMC
Guide
Running a Create mod server
How to host a Create mod server: picking version and loader, config caps for contraptions and trains, SMP rules, spark profiling and backups.
DedicatedMC
Guide
World management: pre-generation, borders and resource worlds
How pre-generation, world borders, a resource world and random teleport keep fresh terrain from taxing your Minecraft server and stealing the tick.
DedicatedMC
Guide
What actually causes Minecraft server lag: TPS and MSPT explained
The 50ms tick budget, what eats it, and how to tell apart the three different problems people all call lag, so you can measure and fix the right one.
DedicatedMC
Comparison
Vanilla vs Paper vs Purpur: which to run
A walk through the Minecraft server fork family, from Vanilla to Paper and Purpur, what each one adds over the last, and a plain pick this if for each.
DedicatedMC
Buying Guide
How to spot overselling in game hosting
What overselling actually is, the signs that give an oversold game host away, and the questions to ask before you pay, so you are a harder buyer to fool.
DedicatedMC
Guide
Performance mods for a modded server
The categories of server-side performance mods worth knowing for modded Minecraft, and why they do not lift the single-thread ceiling.
DedicatedMC
Comparison
Paper vs Purpur for a Minecraft server
Purpur is Paper with a far bigger settings file. What it adds, where performance really comes from on a dedicated box, and which to pick.
DedicatedMC
Guide
Optimising a modded Minecraft server
Why modpacks cost so much more per tick, and the practical steps that bring a modded Minecraft server under control, from pregen to caps and heap sizing.
DedicatedMC
Buying Guide
Minecraft server requirements: what specs you actually need
A plain reference for Minecraft server requirements, what single-thread CPU, RAM and storage each decide, with rough guidance by player count and type.
DedicatedMC
Guide
A practical checklist for fixing Minecraft server lag
A step by step Minecraft lag checklist that sorts low TPS from high ping, then walks the fixes in the order that finds the most improvement first.