Question

I have a Symfony2 app representing a restful application that has no need for persistent sessions.

For each request to the application, given the default session configuration, and given that the client ignores the session cookie, a new session file is created in the default session save path of app/cache/<env>/sessions.

The app receives many requests per day resulting in a very large volume of unwanted session files. Running rm -Rf app/cache/prod/session/* takes minutes to complete.

I would prefer if the app did not store any session data.

I have tried setting the application configuration session save path to /dev/null or /dev/null/sessions but this results an exception either due to the directory already existing (for /dev/null) or due to the specified path being not a directory (for /dev/null/<anything>).

framework:
    session:
        save_path: /dev/null

The best I can see I can do from reading the session documentation is to invalidate the session, which clears all session attributes and regenerates the session ID. This doesn’t get me to a state of there being no session and no persistent session file.

Can I get Symfony2 to not store any session data for a request?

Answer 1

You can define your own Session handler and replace session service alias with it:

services:
    session:
        class: Path\To\Your\Session\Class

You can check implementation with standard session class Symfony\Component\HttpFoundation\Session\Session