On Thursday, Sep 11, 2003, at 17:56 US/Pacific, Ben Forta wrote:
> Not sure that I agree with the "not to have more instances that you 
> have
> CPUs" statement. I think that an "it depends" is the right answer.

Hence my caveat: "You'd need to experiment, performance-wise..." :)

> I have one dual CPU box that runs 6 low to medium volume sites, and I 
> have each in a separate instance, and it runs perfectly.

Yep, I'd hope so. Do you know if you get better performance with that 
setup vs a single instance for those six sites? (Not that it's relevant 
if you're getting acceptable performance with your current config).

> There is overhead per instance, memory an CPU cycles too. The correct
> number of instances is going to be based more on what you consider to 
> be
> appropriate performance for your applications than anything else.

Yep. Lots of performance experimentation needed to fine tune things.

Sean A Corfield -- http://www.corfield.org/blog/

"If you're not annoying somebody, you're not really alive."
-- Margaret Atwood

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