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ChunkCleaner

On the record

Comparison modes
The -mode option supports perChunk and regionSum, and defaults to perChunk.github.com · read 4 Oct 2026
Dry run
The -dryRun option performs a trial run without making changes and defaults to false.github.com · read 4 Oct 2026
Example platform
The README’s command example invokes a binary named ChunkCleaner-Linux64.github.com · read 4 Oct 2026
File handling
The -newPath option moves region files to a specified directory; if it is omitted, the files are deleted.github.com · read 4 Oct 2026
How it judges use
It uses each chunk’s InhabitedTime to determine whether it is used.github.com · read 3 Oct 2026
How it measures use
It uses a chunk’s InhabitedTime value to decide whether it has been played in enough.github.com · read 4 Oct 2026
Input
The -path option specifies the directory containing the .mca files to clean.github.com · read 4 Oct 2026
Intended users
The README describes it as a tool for deleting unused chunks or regions from Minecraft worlds based on playtime.github.com · read 3 Oct 2026
Known caveat
The README warns that Minecraft’s InhabitedTime may update more slowly than expected in some chunks, including in versions 1.12.2, 1.17.1 and 1.18.2.github.com · read 4 Oct 2026
License
The repository includes an MIT license, which permits use, copying, modification, distribution and sale subject to its conditions.github.com · read 4 Oct 2026
Planned features
The project lists adding LightPopulated and TerrainPopulated as options in its TODO section.github.com · read 4 Oct 2026
Planned options
The README lists adding `LightPopulated` and `TerrainPopulated` as TODOs.github.com · read 3 Oct 2026
Purpose
ChunkCleaner automatically deletes Minecraft region files (.mca) with low playtime to reduce storage use and improve performance.github.com · read 4 Oct 2026
Threshold
The default minimum inhabited tick threshold is 250.github.com · read 4 Oct 2026
Verbose output
The -v option increases the amount of information shown during processing and defaults to false.github.com · read 4 Oct 2026
Warranty
The README says the software is provided as is without warranties and disclaims liability for claims or damages connected with its use.github.com · read 4 Oct 2026

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