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Specification Limits

File System Limits

Below are theoretical limits for JuiceFS, numbers are very large so don't worry about them in practical use.

  • Directory tree depth: unlimited
  • File name length: 255 Bytes
  • Symbolic link length: 4096 Bytes
  • Number of hard links: 2^31 (2,147,483,648)
  • Number of files in single directory: 2^31 (2,147,483,648)
  • Single file size: 2^(26+31) (128PiB)
  • Number of files: 100 million for Cloud Service, 10 billion for Enterprise Edition (on-premises)
  • Data volume: 4EiB
  • Number of volumes: unlimited