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Gamers compress 80TB map of Minecraft's oldest anarchy server down to a 15TB download — custom .zvcr compression format and 28 bots map 1 million blocks on infamous 2b2t server
['Zhiye Liu', 'News Editor', 'Ram Reviewer', 'Ssd Technician', 'Layer Van-Ds .Vds-Author Font-Size Var --Text-Base', 'Font-Size Var --Vds-Author-Font-Size', 'Var --Text-Base', 'Line-Height Var --Text-Base--Line-Height', 'Line-Height Var --Vds-Author-Line-Height', 'Var --Text-Base--Line-Height']
Latest from Tom's Hardware
The 2b2t server has a data footprint that exceeds 80 TB.
Storing the entire 2b2t server would demand at least eight 8TB M.2 SSDs or, as an alternative, five 16TB SATA SSDs.
As such, the team engineered a custom file compression format specifically for this project, named .zvcr (Zstd-compressed Version Controlled Regions).
Common Minecraft servers use the .mca (Minecraft Anvil) file format, which is fine for single-player worlds or even small servers.
Unlike the .mca file format, which normally uses Zlib or Gzip compression, .zvcr uses the Zstd (Zstandard) algorithm that yields higher compression ratios.