http://www.answercow.com/2010/03/google-app-engine-cold-start-guide-for.html is an interesting read on how much startup time is spent on several java libraries at GAE
On Mon, Jun 7, 2010 at 19:38, Howard Lewis Ship <hls...@gmail.com> wrote: > That's interesting, that GAE shuts down your instances. There's a bit of > Tapestry based on the idea that the application is long running, so it's OK > if it takes a moment to start up initially. Under GAE that's not the case > ... perhaps Tapestry under GAE should be even a bit lazier about loading and > instantiating. > > When GAE shuts down the instance, is it undeploying the WAR? All told, I > think the most significant amount of time spent starting up a T5 app is the > initial load of all those classes. I can see these during the Selenium > integration tests, where the second test app to start up (all within the > same JVM) is much faster because all the framework classes have already been > loaded. > > > On Mon, Jun 7, 2010 at 7:01 AM, Thiago H. de Paula Figueiredo < > thiag...@gmail.com> wrote: > >> On Mon, 07 Jun 2010 10:42:52 -0300, Dmitry Gusev <dmitry.gu...@gmail.com> >> wrote: >> >> This is exactly what I mean, I don't want tapestry to load even once for >>> some requests. GAE shutdown/startup instances very often (one new instance >>> per ~3 minues) and this consumes additional resources. >>> >> >> Oops, I forgot this GAE characteristic and what you said makes sense now. >> :) >> >> -- >> Thiago H. de Paula Figueiredo >> Independent Java, Apache Tapestry 5 and Hibernate consultant, developer, >> and instructor >> Owner, Ars Machina Tecnologia da Informação Ltda. >> http://www.arsmachina.com.br >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org >> For additional commands, e-mail: users-h...@tapestry.apache.org >> >> > > > -- > Howard M. Lewis Ship > > Creator of Apache Tapestry > > The source for Tapestry training, mentoring and support. Contact me to learn > how I can get you up and productive in Tapestry fast! > > (971) 678-5210 > http://howardlewisship.com > -- Andreas Andreou - andy...@apache.org - http://blog.andyhot.gr Tapestry PMC / Tacos developer Open Source / JEE Consulting --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
