Thanks for the great work; I think these were pretty great results. On Thu, May 14, 2009 at 10:41 AM, Ben Gidley <b...@gidley.co.uk> wrote: > Hi, > As I posted a few weeks back I have been running a series of load tests and > have come to the following key conslusions > > - *Tapestry is fast* - the response times even under load are low. It > isn't alway's fastest solution but it is sufficiently fast for me to focus > my tuning attention elsewhere > - *Tapestry does not leak memory *- One of the concerns I have heard > raised about tapestry's approach is that it is likely to be heavy on memory. > In fact I found the opposite. It was lower than struts/jsp and in the > extended run the memory was pretty flat > - *Tapestry is faster than struts for forms apps* - Tapestry seems to > excel as the application complexity gets significant. This is probably a > feature of its pooling model. > - *Tapestry doesn't break easily and when it does it recovers* - Tapestry > does slow down under extreme load, but it does break or hit bottlenecks. > This is a really positive thing. It also recovers when the load goes away. > - *More CPU's doesn't always equal better* - in a number of tests > performance didn't increase linearly. 2 CPU's did double throughput but 4 > didn't. This is often a feature of the OS/platform but would suggest in a > virtualised environment that running more dual core instances is better than > running fewer quad core instances > - *64bit is faster than 32 bit* - This one surprised me a bit - I had > heard and thought that 64bit was a bit slower as it pushes more data around. > However it seems that using a 64bit JVM on a 64bit OS makes a positive > difference on both Solaris and Linux. > - *Linux is faster than Open Solaris X86* - This one also surprised me a > bit - I expected them to be pretty near the same whereas in fact is was > nearly 25% better on linux. I can't explain it - but the numbers speak for > themselves. > > The full details of the load tests and a longer write up is at > http://blog.gidley.co.uk/2009/05/tapestry-load-testing-round-up.html > > > Ben Gidley > > www.gidley.co.uk > b...@gidley.co.uk >
-- Howard M. Lewis Ship Creator of Apache Tapestry Director of Open Source Technology at Formos --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
