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Specification Limits

File System Limits

Below are theoretical limits for JuiceFS, in real use, performance and file system size will be limited by the metadata engine and object storage of your choice.

  • Directory tree depth: unlimited
  • File name length: 255 Bytes
  • Symbolic link length: 4096 Bytes
  • Number of hard links: 2^31
  • Number of files in single directory: 2^31
  • Number of files in a single volume: unlimited
  • Single file size: 2^(26+31)
  • Total file size: 4EiB