FORMAT_SPEC.md

title
Format Specification

Notes:

• The current TileDB array format version number is 23 (uint32_t).

  • Other structures might be versioned separately.
  • While listing directories, readers should ignore files that do not follow the expected format for each respective case.

• Data written by TileDB and referenced in this document is little-endian with the following exceptions:

  • Dictionary encoding filter
  • RLE filter

Table of Contents

• Array
  • Format Version History
  • File hierarchy
  • Array Schema
  • Fragment
  • Array Metadata
  • Tile
  • Generic Tile
• Group
  • File hierarchy
• Other
  • Consolidated Fragment Metadata File
  • Filter Pipeline
  • Timestamped Name
  • Vacuum File