# Exporting metrics to external databases (experimental) The exporting engine is an update for the former [backends](/backends/README.md). It's still work in progress. It has a modular structure and supports metric exporting via multiple exporting connector instances at the same time. You can have different update intervals and filters configured for every exporting connector instance. The exporting engine has its own configuration file `exporting.conf`. Configuration is almost similar to [backends](/backends/README.md#configuration). The only difference is that the type of a connector should be specified in a section name before a colon and a name after the colon. At the moment only four types of connectors are supported: `graphite`, `json`, `opentsdb`, `opentsdb:http`. An example configuration: ```conf [exporting:global] enabled = yes [graphite:my_instance1] enabled = yes destination = localhost:2003 data source = sum update every = 5 send charts matching = system.load [json:my_instance2] enabled = yes destination = localhost:5448 data source = as collected update every = 2 send charts matching = system.active_processes [opentsdb:my_instance3] enabled = yes destination = localhost:4242 data source = sum update every = 10 send charts matching = system.cpu [opentsdb:http:my_instance4] enabled = yes destination = localhost:4243 data source = average update every = 3 send charts matching = system.active_processes ``` [](<>)