Daniel Fetchinson wrote:
>>> I know quite a bit about tg2 app that will serve 25 million dynamic
>>> page views a day, it's not yet in production but some performance
>>> testing has been done.
>>>
>>> We will deploy with nginx load balancing mog-wsgi instances that serve
>>> up the dynamic content. It's a bit more complicated than this, but
>>> basically nginx will serve up static content, and we're expecting to
>>> be able to easily handle this traffic with a couple of quad core web
>>> server boxes. We could probably get away with one, but we want to
>>> have load balancing for redundancy not just for performance.
>>>
>>> We're not using ToscaWidgets, the transaction manager, and have been
>>> using mongodb for data storage. We had some previous templates
>>> written in Jinja, so we're using that for templates, otherwise we'd
>>> either use Mako or genshi, but without any match tags.
>>>
>> If you don't mind me asking, what did you decide to use instead of
>> ToscaWidgets and what were your reasons?
>>
>
> Only Mark can answer that question but I also don't use any widgets.
> Widgets are typically used for UI elements like forms and such and I
> use a javascript library for these things. This means that the web app
> only sends JSON that define a UI (imagine a simple dict) and on the
> client a javascript library consumes this JSON and presents the user
> with the appropriate elements. I use extjs actually.
>
> Reasons: providing a UI definition from the web app as opposed to
> rendered html allows connecting to your web app with clients that are
> not web browsers. For example I distribute a desktop app that users
> can use to talk to the web app. This desktop app also understands the
> JSON UI definition format I use so it can present the user with a UI
> of its own too.
>
> This setup makes your web app code much cleaner, more maintainable and
> more extendable. I understand that widgets, tosca in particular, are
> designed to not pollute your web app code and separate concerns but
> having all UI stuff on the client in javascript code is even better in
> my opinion. Complex web apps have javascript in them anyway. And these
> days there are really fantastic javascript libraries out there that
> make UI design absolutely painless, extjs is just one example, there
> are tons more.
>
> Cheers,
> Daniel
>
>
Daniel
May I ask how you handle authentication with the Javascript backend?
I'm interested in doing some Flex front-ends but haven't had the time to
dig into the authentication integration with the TG backend.
-Jim
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