Re: FreeBSD hacker 101

That brings me to another ponder: why juniper and cisco are using
FreeBSD and not Linux even Linux performs better in an UP environment?

2008/1/25, Dag-Erling Sm=F8rgrav <des@des.no>:
> "william wong" <beijing.liangjie@gmail.com> writes:
> > Dag-Erling Sm=F8rgrav <des@des.no> writes:
> > > "william wong" <beijing.liangjie@gmail.com> writes:
> > > > It seems that Juniper favors the even number FreeBSD's.
> > > Only because 5 was a dog.  They probably stuck with 4 for a while, th=
en
> > > switched to 6 once they had ascertained that it was significantly mor=
e
> > > stable than 5.  I would be surprised if they skipped 7.
> > Please pardon my ignorance of the jargons. Does that mean 5 is not
> > stable or does not perform or what?
>
> FreeBSD 5 was not a very good series.  It was released late and had
> issues with both stability and performance.  FreeBSD 6 corrected the
> stability issues and some of the worst performance issues.  FreeBSD 7
> took care of the remaining performance issues; it may not be as fast as
> 4 was on UP, but it beats Linux on SMP.
>
> (there's no point in comparing SMP performance between 4 and 7 since 4
> had a single-threaded kernel and practically no userland thread support)
>
> DES
> --
> Dag-Erling Sm=F8rgrav - des@des.no
>
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