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Sqlite database management
Kanboard uses Sqlite by default to store its data. All tasks, projects and users are stored inside this database.
Technically, the database is just a single file located inside the directory data and named db.sqlite.
Export/Backup
Command line
Doing a backup is very easy, just copy the file data/db.sqlite somewhere else when nobody use the software.
User interface
You can also download at any time the database directly from the settings menu.
The downloaded database is compressed with Gzip, the filename becomes db.sqlite.gz.
Import/Restoration
There is actually no way to restore the database from the user interface. The restoration must be done manually when no body use the software.
- To restore an old backup, just replace and overwrite the actual file
data/db.sqlite. - To uncompress a gzipped database, execute this command from a terminal
gunzip db.sqlite.gz.
Optimization
Occasionally, it's possible to optimize the database file by running the command VACUUM.
This command rebuild the entire database and can be used for several reasons:
- Reduce the file size, deleting data produce empty space but doesn't change the file size.
- The database is fragmented due to frequent inserts or updates.
From the command line
sqlite3 data/db.sqlite 'VACUUM'
From the user interface
Go to the menu settings and click on the link Optimize the database.
For more information, read the Sqlite documentation.