Acording to Nick Johnson : " The simultaneous dynamic request limit was eliminated in a recent SDK "
On Apr 16, 9:22 am, Nickolas Daskalou <[email protected]> wrote: > If you're keeping your AJAX connections open for 25 seconds, once you get a > bit of traffic you will probably hit the max concurrent request limit of 30, > and any extra AJAX connections will either timeout or wait for other AJAX > connections to close first before connecting to your App Engine app. > > Since you're sleeping for 5 seconds on the server side anyway, it'd be > better to close the AJAX connection and move the 5 seconds sleep to the > client/browser instead, then reestablish an AJAX connection after you wake > (polling with client-side sleep instead of long-polling with server side > sleep). > > According to the roadmap (http://code.google.com/appengine/docs/roadmap.html), > there are plans to release "support for Browser Push (Comet) communication", > which will hopefully remove the need for such workarounds and make the world > a better place for our children, and our children's children. > > On 16 April 2010 03:22, eric maxey <[email protected]> wrote: > > > > > > > I have a site that uses hanging AJAX connections that notify the > > client when certain database changes happen. > > > The server checks the database every 5 seconds, and if the change has > > taken place, returns the data to the client. Otherwise, it keeps > > looping. > > > As it is, I need to re-establish this connection every 25 seconds, > > because of the 30 second deadline imposed on google app engine. > > > Is there any better way to do this? > > > -- > > 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]<google-appengine%2Bunsubscrib > > [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 > 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.
