[Zope] Zope scalability / efficiency question

[Julien Anguenot]

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Fernando Lujan wrote:
> On 9/20/05, Andrew Sawyers <andrew at zope.com> wrote:
> 
>>I did some tests a few years back, basically that came out such that you run
>>the number of zope instances as you have CPUs.  I was able to get double the
>>performance of a single instance on a dual cpu server when adding a second
>>instance.  On a single CPU server, I found that the number of requests the
>>server was able to render was cut by nearly 50% +/- when adding a second
>>instance.
>>
>>My rule for building out ZEO Client servers is:
>>Single CPU - Single Zope instance
>>Multiple Processors - # CPUs == # of Zope instances
> 
> 
> Hi Andrew,
> 
> And how can I distribute the load over these Instances, running on the
> same machine?
> 

You may use load balancers such as :

 - pound : http://www.apsis.ch/pound/
 - balance : http://www.inlab.de/balance.html (not sticky last time I
used it)

and probably others.

Cheers,

	J.

- --
Julien Anguenot | Nuxeo R&D (Paris, France)
CPS Platform : http://www.cps-project.org
Zope3 / ECM   : http://www.z3lab.org
mail: anguenot at nuxeo.com; tel: +33 (0) 6 72 57 57 66
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