Poor python and/or Zope performance on Sparc

George Sakkis george.sakkis at gmail.com
Sat Nov 3 17:19:33 CET 2007


On Nov 3, 9:35 am, joa2212 <joa2... at yahoo.de> wrote:

> Result: Almost even worse. The application is not scaling at all.
> Every time you start a request it is hanging around on one cpu and is
> devouring it at about 90-100% load. The other 31 CPUs which are shown
> in "mpstat" are bored at 0% load.

You are probably not aware of Python's Global Interpeter Lock:
http://docs.python.org/api/threads.html.

George




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