Thank you all !!!!!!!!!! (very insane multiple exclamation marks) I've been trying different scenarios and Zope performance increased 10 to 11 times faster...
Cheers Hugo On 3/16/06, Stefan H. Holek <[EMAIL PROTECTED]> wrote: > a) Your system may be I/O bound - not CPU bound - so you will never > see the CPU max out because the limiting factors are memory and disk/ > network access. > > b) Make sure to tune Python's checkinterval. While you should > *always* do that, it is especially important on multi-processor/multi- > core hardware. The rule of thumb is to run the pystone benchmark, > divide the "pystones" your machine benchmarks at by 50, and put the > result into etc/zope.conf. > > e.g: > python-check-interval 1000 > > Once you get the checkinterval right, playing with processor affinity > becomes a pointless exercise, in my experience. > > c) Always use profiling tools for performance analysis. "Guessing" > rarely leads to effective optimizations. ZopeProfiler and PTProfiler > come to mind. > > HTH, > Stefan > > > On 15. Mär 2006, at 21:45, Hugo Ramos wrote: > > > Yellow, > > > > I'm using Zope+Apache on a 4 xeon's/4GB ram machine running Debian. > > I've noticed that the CPU's never go beyond 30% top occupation... but > > on rush hours the site takes too long to load... > > > > I've been reading about process affinity and how it could speed up > > everything by making zope run on 1 CPU, Apache on another and so on... > > > > Has any1 tried this before? Can you point me to some documentation? > > What's your experience? is it true that not doing this the 4 cpu's > > will not be 100% used? > > -- > Anything that happens, happens. --Douglas Adams > > > -- Hugo Ramos - [EMAIL PROTECTED] http://www.orkut.com/Profile.aspx?uid=10082105466310142690 http://otugga.blogspot.com/ http://otuggapoesia.blogspot.com/ _______________________________________________ Zope maillist - [email protected] http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )
