How to Debug Minecraft Server Lag with Spark Profiler (2026 Guide)
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Discussion of the blog article 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.
Discussion thread — share findings, corrections and follow-ups below.