I've done a cursory investigation using YourKit and I'm not seeing any unexpected results. Number of PageImpl, ComponentPageElementImpl instances are reasonable (for the testing I did).
On Tue, Mar 17, 2009 at 8:09 AM, Howard Lewis Ship <hls...@gmail.com> wrote: > Doesn't add up, that's right: it should be 4 page classes X 10 (page > pool size) X L (number of supported locales) maximum. > > This number will shift slightly if you use BeanEditor or Grid > components, but it still doesn't add up. > > The count of CPEI seems high; you don't have 1500 components per page. > > One possibility here is that the bytecode manipulation that Tapestry > does is confusing your profiler. > > > On Tue, Mar 17, 2009 at 7:59 AM, Yuri Ushakov <yuri.usha...@gmail.com> wrote: >> Hello. >> I'm using Tapestry 5.0.18. I've been doing a load test using 10 concurrent >> users (never more than 10 parallel requests). I've set up page pool to 10 >> pages also. I checked it - if 11th user comes, there is the tapestry >> exception about hard-limit. So, the Tomcat is run with -Xmx2048M. The ten >> users were browsing 4 particular pages for about 40 - 50 minutes. They are >> quite ordinary pages, some small, one big (kinda user dashboard). >> >> What I get is constant 85% heap usage with: >> >> 196 instances of PageImpl >> 308277 instances of ComponentPageElementImpl >> >> Here is the profiler screenshot: >> http://img19.imageshack.us/img19/6170/tapestrymemory.png >> >> Questions are: >> >> 1. Why there is about 1G of retained CPEI objects. >> >> 2. Why there are 196 PageImpl objects, with page pool set to 10, and only 4 >> pages in use. >> >> 3. Where can I look for any clues? Enable some tapestry debugging? Read some >> important document explaining this situation? >> >> Thanks for any help. >> >> Yuri. >> > > > > -- > Howard M. Lewis Ship > > Creator Apache Tapestry and Apache HiveMind > -- Howard M. Lewis Ship Creator Apache Tapestry and Apache HiveMind --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
