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SubjectRe: GURU needed: Linux vs. FreeBSD
On Nov 3,  4:32pm, Shawn Leas wrote:

> Hotmail uses Linux for Web Serving, but Solaris for mail, though.
> They think that Solaris's threading is better and suits sendmail
> nicely or something to that effect.

Sendmail tends to be pretty abusive on filehandles. Solaris seems to handle
sendmail's Mai Lei file handle routines a wee bit better. (I have seen Linux
kernels around 2.0.30 cough blood on large mailing lists by running out of all
available file handles. It required a tweak to the kernel to get it to run
right. (Doubling ND_OPEN if I remember correctly.) That seems to have been
fixed in later kernels.)

For a fun experiment try running the Perl5-Porters mailing list on a Linux box
with bulk_mailer and Majordomo. Been there. Done that. Made the kernel
actually not choke.

Alan Olsen

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