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Minecraft 7 articles

Minecraft servers, taken apart.

Server internals, JVM tuning, plugin and proxy security, and hosting economics — benchmarked where we can benchmark, sourced where we can’t.

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The server stack, piece by piece.

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Server software

Minecraft Runs on One Thread Because Nobody Wrote It for Two

Minecraft Runs on One Thread Because Nobody Wrote It for Two

Every entity, every block update, every redstone pulse — one thread, twenty times a second, 50 milliseconds a pass. Folia's answer is to stop sharing the kitchen. Here is the tick budget and the ownership rules, read from the PaperMC source.

14 Aug 2026 · 21 min read

Performance & the JVM

Minecraft Runs on One Thread Because Nobody Wrote It for Two

Minecraft Runs on One Thread Because Nobody Wrote It for Two

Every entity, every block update, every redstone pulse — one thread, twenty times a second, 50 milliseconds a pass. Folia's answer is to stop sharing the kitchen. Here is the tick budget and the ownership rules, read from the PaperMC source.

14 Aug 2026 · 21 min read

Server security

The SSO Tax: Why Self-Hosted Projects Are Gating Login Behind a Paywall

The SSO Tax: Why Self-Hosted Projects Are Gating Login Behind a Paywall

A growing list of open-core self-hosted projects, from Grafana to Planka, gate single sign-on behind an Enterprise tier. Here's which protocol actually gets paywalled, and what to check before you deploy.

19 Aug 2026 · 4 min read

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Minecraft Bedrock Server RCE: CVE-2026-55010

Minecraft Bedrock Server RCE: CVE-2026-55010

CVE-2026-55010 lets an attacker take over your Bedrock server with one packet, no login required. What it actually affects, and how to patch it today.

Your Minecraft Server Isn't Slow, It's Misconfigured

Minecraft Featured

Your Minecraft Server Isn't Slow, It's Misconfigured

Can't keep up! is not a hardware message. It's the server telling you a tick took longer than 50ms, and almost every cause is a default nobody changed. Here's what actually moves MSPT, with the flags that are now wrong and the setting that isn't where every guide says it is.

Bukkit, Spigot, Paper, Folia: What You're Actually Running

Bukkit, Spigot, Paper, Folia: What You're Actually Running

There is a fifteen-year fork tree underneath every Minecraft server, and most admins copy a jar without knowing what's in it. Here's the whole chain, with the code — including the config key most DAB guides get wrong.

How to Debug Minecraft Server Lag with Spark Profiler (2026 Guide)

Systems Administration

How to Debug Minecraft Server Lag with Spark Profiler (2026 Guide)

Your server dropped to 12 TPS. You copied Aikar's flags. You upgraded Java. Nothing changed. That's because JVM flags don't fix plugin bugs. Here's how to find what's actually killing your tick budget.

Your Minecraft Server Wants Java 25, Not Java 26

Your Minecraft Server Wants Java 25, Not Java 26

Every six months the same thread appears and nobody maps the JVM engineering onto what a Minecraft server actually does. This does — version by version, with the flag most guides still tell you to set that will eventually stop your server from booting.

What is Java? The Language That Runs Minecraft, Your Bank, and Half the Internet

What is Java? The Language That Runs Minecraft, Your Bank, and Half the Internet

Java has been declared dead approximately forty times since 1995. It still runs Minecraft, Android, LinkedIn, Twitter's backend, and the financial systems that process your paycheck. Here is what the language actually is, how the JVM works, and why it refuses to die.