Yes, you are right

Im doing my test, I have bayes and net tests, how ever it is running over a 
flash card with minimal I/O, so I guess dns will be a little problem then.

Does SA has cache  to remember last dns request for example?

TIA

On Sunday 04 January 2009 20:27:20 Matt Kettler wrote:
> Luis Daniel Lucio Quiroz wrote:
> > Hi all,
> >
> >
> > what does do more stress to SA,
> >
> >
> > 5000 emails of 1k each one
> >
> >
> > or
> >
> >
> > 1000 eamils of 5k each one
> >
> >
> > TIA
>
> Depends on what you have enabled, and how fast your network/dns and disk
> I/O are.
>
> If you have network tests enabled, the 5000 emails will put more
> pressure on your DNS than the 1000 will, just because of the RBL lookups
> in the headers. The same could also be said of all the header tests, but
> these are generally lightweight, so they make little difference.
>
> The larger messages will put a bit more pressure on the bayes subsystem
> (if enabled) and body tests. If your disk is slow and you've got bayes
> enabled, this could be worse than the extra DNS lookups, but it's unlikely.
>
>
> However, on most systems I would expect the 5000  1kbyte emails would be
> slower to process than 1000 5kbyte emails. YMMV, and you could test this
> pretty easily using time on the mass-check tool.


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