Chunk Backup

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Chunk Backup

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This mod adds chunk snapshots and live restores

World Gen Improvements
Mod Loaders
Forge
Minecraft
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About

Description

Chunk Back

A Minecraft Forge 1.20.1 mod for saving and restoring chunk regions without lagging the server.

What it adds

Chunk Back lets server operators save snapshots of chunk regions and restore them later without causing lag spikes or consuming RAM during normal gameplay. It uses RLE voxel compression to store snapshots on disk.

Commands

All commands require operator permission level 2.

Command Description
/chunkback save <name> [radius] Save chunks around you (default radius: 4)
/chunkback savearea <name> <x1> <z1> <x2> <z2> Save a specific chunk range
/chunkback restore <name> Restore snapshot to saved state
/chunkback list Show all saved snapshots
/chunkback delete <name> Remove a snapshot
/chunkback info <name> Show snapshot details

Important Notes

  • Snapshots are stored per-world in the server's config directory
  • Restoring a snapshot overwrites existing blocks in the region
  • Large restores may take several ticks to complete; the server remains playable throughout

Screenshots

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  • saving chunks
    saving chunks demo saving chunks
  • deleted chunks
    deleted chunks deleted chunks
  • restored chunks
    restored chunks restored chunks

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