Since backends and frontends are updated separately, the code in each may be different. Updating a frontend does not change the code that is running in a backend/vice versa.
As for the syntax, I believe it should be: deferred.defer(deferred_fn_name, param1, param2, _target='backend-name') On 14 May 2011 18:22, Aaron <[email protected]> wrote: > Hi Greg, > > Thanks for the response. Just to be clear, the syntax to defer a task > to a backend is the following? > deferred.defer(deferred_fn_name, param1, param2, _target='http:// > backend-name.app-id.appspot.com') > > Also, you mentioned that we should be sure that the backend has the > same classes and configurations as the frontend? As far as I have > read, the frontend and backend are using the same code base, so is > this implied already, or is there something extra I am missing? > > Best, > Aaron > > On May 14, 5:56 pm, "Greg Darke (Google)" <[email protected]> > wrote: >> You should be able to send a deferred task to a backend. >> >> Some points to remember though: >> * You should ensure that any classes/etc you reference from the >> frontend must exist in the backend. >> * The deferred function should pass the 'target' parameter on to taskqueue >> * You must enable the deferred handler on the backend (just make sure >> it is enabled in app.yaml when you upload the backend). >> >> On 14 May 2011 14:41, Aaron <[email protected]> wrote: >> >> >> >> >> >> >> >> > Hi, >> >> > The way my application is set up involves deferring a lot of long- >> > running tasks, which I now would like to move to a backend. Is it >> > possible to defer a task so that it is processed in a backend? Or, do >> > I have to create handlers for every deferred task in order to take >> > advantage of this feature? >> >> > Best, >> > Aaron >> >> > P.S. Thanks so much for the hard work! The new features are very >> > exciting :). >> >> > -- >> > You received this message because you are subscribed to the Google Groups >> > "Google App Engine" group. >> > To post to this group, send email to [email protected]. >> > To unsubscribe from this group, send email to >> > [email protected]. >> > For more options, visit this group >> > athttp://groups.google.com/group/google-appengine?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
