[Zope] strange performance problem

Dennis Allison allison at sumeru.stanford.EDU
Tue Mar 23 10:38:50 EST 2004


Thanks.  I'll review the archives.  -d

On Tue, 23 Mar 2004, Chris Withers wrote:

> Dennis Allison wrote:
> 
> > While it's possible, the scheduler is pretty good at maintaining processor
> > affinity without intervention.  I have *never* seen anything which would
> > suggest that is a problem.  This is happening on an unloaded system when
> > processor affinity issues should be hard to trigger.
> 
> Okay, but I have lots of memories of reading about problems with Python's Global 
> Interpretter Lock and lightly loaded multi-processor machines.
> 
> The mailinglist archives may give more of a clue.
> 
> One thing you could try is to get a ZEO storage server up and running, then run 
> up 4 or 5 ZEO clients, but each with only one thread. Then you just need to 
> figure out how to round-robin them so they all appear through one port...
> 
> cheers,
> 
> Chris
> 
> -- 
> Simplistix - Content Management, Zope & Python Consulting
>             - http://www.simplistix.co.uk
> 




More information about the Zope mailing list