[Rails] Rails (internals) architectural question

[linux user]

On 8/8/06, Jeremy Kemper <jeremy at bitsweat.net> wrote:
>
> On Aug 8, 2006, at 9:56 AM, linux user wrote:
> > 1. If xxx_controller.rb is only loaded once does it mean there is
> > only one instance of Controller serving all requests?
>
> A controller is instantiated per request.


Is this true even in Production mode ?? If yes, this will degrade
performance of rails compared other web frameworks?.

> 2. If only one instance of controller is there then how are
> > controllers instance variables protected from data corruption when
> > serving multiple requests? Since these instance variables render
> > data in views.
> > 3. If I store a SOAP::RPC::Driver object (pointing to a web service
> > with only one function) in a global variable Do I run the risk of
> > corrupting data when the web service response arrives?
>
> Requests are handled one at a time, so you don't have to worry about
> concurrent requests stepping on your global var. Though feel free to
> worry about the global var itself :)
>
> jeremy
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