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Fabian Affolter 2016-07-14 17:58:45 +02:00
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source/_components/recorder.markdown
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@ -9,11 +9,16 @@ sharing: true
footer: true
logo: home-assistant.png
ha_category: "History"
featured: false
ha_release: "0.20"
ha_release: pre 0.7
---
The `recorder` component is storing details in the local database which then are handled by the [`history` component](/components/history/).
The `recorder` component is storing details in a database which then are handled by the [`history` component](/components/history/).
Home Assistant uses [SQLAlchemy](http://www.sqlalchemy.org/) as Object Relational Mapper (ORM). This means that you can now use **any** SQL backend for the recorder that is supported by SQLAlchemy, like [MySQL](https://www.mysql.com/), [MariaDB](https://mariadb.org/), or [PostgreSQL](https://www.postgresql.org/).
The default database engine is [SQLite](https://www.sqlite.org/) which doesn't require any configuration. The database is stored in your Home Assistant configuration directory (`.homeassistant`) and called `home-assistant.db`.
```bash
To setup the `recorder` component in your installation, add the following to your `configuration.yaml` file:
@ -26,4 +31,4 @@ recorder:
Configuration variables:
- **purge_days** (*Optional*): Delete events and states older than x days.
- **db_url** (*Optional*): The URL which point to your database. Eg. `mysql://localhost/homeassistant`