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Vintage Story Chunk Loading Lag Fix

Vintage Story Guide • Updated Mar 18, 2026

Vintage Story Chunk Loading Lag Fix

Vintage Story feels amazing when exploration is smooth, but dedicated servers can start hitching badly once several players move fast, generate new terrain, or run heavy block tick systems. The best fixes are usually in serverconfig.json, not in random client tweaks.

Settings That Matter Most

"MaxChunkRadius": 10,
"TickTime": 33.33,
"BlockTickChunkRange": 4,
"RandomBlockTicksPerChunk": 8,
"ChunkUnloadInterval": 4000,
"UncompressedChunkTTL": 10000,
"CompressedChunkTTL": 30000
Setting Why It Matters Safe Direction
MaxChunkRadius View distance and chunk traffic Lower it for busy multiplayer servers
BlockTickChunkRange How far active block logic runs Reduce if farms or machines cause stutter
RandomBlockTicksPerChunk Background world activity cost Lower it on overloaded worlds
CompressedChunkTTL How long chunks stay around before unload Shorten slightly if memory pressure is high

What Causes the Worst Stutter

  • Too many players exploring in different directions at once
  • Chunk radius set as if the server were single-player
  • Heavy farms, animal counts, or machine systems ticking too far from players
  • Low-memory hosts that keep too many chunks uncompressed for too long

Good Tuning Order

  1. Lower MaxChunkRadius before changing anything else.
  2. Reduce BlockTickChunkRange and RandomBlockTicksPerChunk if farms or automation are involved.
  3. Watch whether memory or CPU is the first resource to spike.
  4. Only touch TickTime after you understand the actual bottleneck.

Practical rule: if the server feels smooth in a base but stutters when multiple players travel outward, you are looking at chunk radius and terrain generation pressure first, not chat mods or permissions.

Need more headroom for larger Vintage Story communities? Deploy a Vintage Story server on Supercraft and start from a cleaner performance baseline.

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