Using the TaskQueue for asynchronous URLFetch is not a good solution.
It has severe limitations. It can have a maximum of 20 simultaneous
calls (no matter how many users you have). And each of those calls
eats into your "simultaneous dynamic request limit" of 30.




On Jan 19, 3:39 am, John Patterson <[email protected]> wrote:
> The task queue can allow you to run synchronous operations in  
> parallel.  Perhaps you could solve your problem by firing off many  
> tasks each which fetches a url stores the result in memcache and  
> increments a counter.  From your original request keep polling the  
> value of that counter until all tasks are complete and collect the  
> results.
>
> On 19 Jan 2010, at 05:24, devadvocate wrote:
>
> > Hi all,
>
> > I'm just checking in to see if Async Http Requests For Java are a
> > priority and may be released anytime soon.  If not I'll have to
> > rewrite most of my app in python or use rackspace cloud hosting :-(
>
> > Thanks,
> > David
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