Estimate how much memory your Minecraft server needs from server type, player count, plugins or mods, and view distance — capped at 32 GB.
Server type
High-performance Paper fork — typical plugin network backend.
Estimates only. Real usage depends on plugins, world size, entities, and player activity. Cap recommendations at 32 GB — beyond that, scale with more instances or better CPU rather than more heap.
Breakdown
1.2 GB
1.0 GB
0.5 GB
0.0 GB
Aikar’s flags (recommended heap)
Sets -Xms and -Xmx to the recommended heap. Tune after monitoring with Spark.
Bedrock and proxy setups do not use Java Aikar’s flags — allocate memory in your panel or process config instead.
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