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Introduction to Magento modes
You can run Magento in any of the following modes:
Mode name | Description |
---|---|
default | Enables you to deploy the Magento application on a single server without changing any settings. However, default mode is not optimized for production. To deploy the Magento application on more than one server or to optimize it for production, change to one of the other modes.
|
developer | Intended for development only, this mode:
|
production | Intended for deployment on a production system. Exceptions are not displayed to the user, exceptions are written to logs only, and static view files are served from cache only. New or updated files are not written to the file system. |
Developer mode
You should run the Magento software in developer mode when you鈥檙e extending or customizing it.
In developer mode:
- Static view files are not cached; they are written to the Magento
pub/static
directory every time they鈥檙e called - Uncaught exceptions display in the browser
- System logging in
var/report
is verbose - An exception is thrown in the error handler, rather than being logged
- An exception is thrown when an event subscriber cannot be invoked
For more information, see Set the Magento mode.
Default mode
As its name implies, default mode is how the Magento software operates if no other mode is specified. Default mode enables you to deploy the Magento application on a single server without changing any settings. However, default mode is not optimized for production.
To deploy the Magento application on more than one server or to optimize it for production, change to one of the other modes.
In default mode:
- Errors are logged to the file reports at server, and never shown to a user
- Static view files are cached
- Default mode is not optimized for a production environment, primarily because of the adverse performance impact of static files being cached rather than materialized. In other words, creating static files and caching them has a greater performance impact than generating them using the static files creation tool.
For more information, see Set the Magento mode.
Production mode
You should run the Magento software in production mode when it鈥檚 deployed to a production server. After optimizing the server environment (database, web server, and so on), you should run the static view files deployment tool to write static view files to the Magento pub/static
directory.
This improves performance because static files don鈥檛 go through the fallback mechanism; instead, URLs for static files are created as needed.
In production mode:
- Static view files are not materialized, and URLs for them are composed on the fly without going through the fallback mechanism. (Static view files are served from cache only.)
- Errors are logged to the file system and are never displayed to the user
Next step
To set a mode, see Set the Magento mode.
Related topic
To generate static view files for production mode, see Deploy static view files
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