Didier, your idea is good but can/want execute activity on a task. I need simple approach: run X async urlfetch, wait for end of execution and store execution time of each fetch.
I've opened a feature request on the issue tracker: http://code.google.com/p/googleappengine/issues/detail?id=4476 Fabrizio On Sun, Jan 30, 2011 at 8:28 AM, Didier Durand <[email protected]>wrote: > Hi, > > You're right: async url fetch doesn't seem to provide any way to > measure fetch time. > > Then, I have a proposal: why don't you schedule a task per fetch, this > task will then do a regular synchronous url fetch for which measuring > will be easy. > > So, your original servlet / task will schedule as many tasks as you > have fetches and wait via a loop of Thread.sleep() until all fetches > are done and their results (incl fetch time) written somewhere > (datastore / memcache) that the original servlet / task can access to > complete the work. > > The only question though: can the application afford to launch those > tasks as they will incurr some overhead : some tenths of milliseconds > of cpu to schedule a task and run it + cpu time to write result to > cacche or ds in order to be shareable with originator. > > If not acceptable, I hope it will at least give you some other ideas > to follow > > regards > > didier > > On Jan 29, 9:50 am, Fabrizio Accatino <[email protected]> wrote: > > Hello, > > > > I'm playing with async urlfetch. My ispiration was Ikai athttp:// > ikaisays.com/2010/06/29/using-asynchronous-urlfetch-on-java-ap... > > > > I run some request in parallel. All works fine. But now I'd like to get > info > > about execution time of each request. The target URLs I call are > different > > so the response time are very different. > > I read the documentation but HTTPResponse does not expose a "execution > > duration" or similar value. > > > > Any idea? > > > > Fabrizio > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine-java%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" 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-java?hl=en.
