File Layouts #
All files of a table are stored under one base directory. Table Store files are organized in a layered style. The following image illustrates the file layout. Starting from a snapshot file, Table Store readers can recursively access all records from the table.
Snapshot Files #
All snapshot files are stored in the
A snapshot file is a JSON file containing information about this snapshot, including
- the schema file in use
- the manifest list containing all changes of this snapshot
Manifest Files #
All manifest lists and manifest files are stored in the
A manifest list is a list of manifest file names.
A manifest file is a file containing changes about LSM data files and changelog files. For example, which LSM data file is created and which file is deleted in the corresponding snapshot.
Data Files #
Data files are grouped by partitions and buckets. Each bucket directory contains an LSM tree and its changelog files.