Rich Pieri <rich.pieri@prescienttech.com> wrote:
>Dave Sill writes:
>
>> Nope. If AOL were using qmail it would have to fork 20 copies of
>> qmail-smtp, which is just one small piece of qmail.
>
>sendmail delivering 20 messages to AOL requires AOL's MX to fork its MTA,
>whatever it might be, once. qmail delivering the same 20 messages to AOL
>requires AOL's MX to fork its MTA, whatever it might be, 20 times. qmail's
>delivery mechanism forces AOL to consume 20 times the instantaneous
>resources as any other MTA.
Right, I agree. My point was that AOL doesn't *have* to fork N copies
of their MTA to accept N messages: they *choose* to fork N copies of
every message by choosing to run a monolithic MTA.
>47228 times 20 = 944560. 944560 is larger than 586092, and that does not
>factor the overhead of qmail-smtp forking 20 times to sendmail's forking
>but once. So by your own proof, 20 instances of qmail-smtp consumes more
>system resources than sendmail.
I never said it didn't. I said 20 qmail-smtpd's would use less than 20
sendmail's.
-Dave
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