ors.engine

Engine properties are required at graph-build time during startup.

openrouteservice can simultaneously run a number of different profiles, each with its own set of parameters. The profiles are defined in the profiles section of the configuration file. The profile_default section is used to define default values for all profiles. The profiles section is used to define specific values for individual profiles. See profiles for more information.

key	type	description	default value
init_threads	number	The number of threads used to initialize (build/load) graphs. Higher numbers requires more RAM	1
preparation_mode	boolean	If set, graphs and preparations will be built, but the application will shut down immediately afterwards without starting up any services	false
config_output	string	If set, the default configuration values are written to a file named as the value. The application will shut down immediately afterwards without starting up any services. See configuration page for details.
graphs_data_access	string	Defines how a DataAccess object is created. - MMAP: memory mapped storage - RAM_STORE: in-memory storage with a safe/flush option. Further info in the source code	RAM_STORE
elevation	object	See elevation properties
graph_management	object	See graph management properties
profile_default	object	Described in profiles
profiles	object	Described in profiles