The default repository type is SQLite, it works very well with a small amount of data. For high-load systems, we recommend using different database type
Supported Repository Database Types
SQLite
Postgres
MySQL
MariaDB
Microsoft SQL Server
Oracle
Changing Repository Type
Set ENABLE_SECURITY=0
Set RUN_SQL_SCRIPTS=1
Set Set CONNECTION_TYPE, DB_USER, DB_PASS, DB_NAME, DB_HOST, DB_PORT, DB_INSTANCE to appropriate values