SMP on FreeBSD 6.x and 7.0: Worth doing?

[Scott Long]

Adrian Chadd wrote:
> On 25/12/2007, Brett Glass <brett at lariat.net> wrote:
>>> It sounds like you're pretty convinced you know what the problem is.
>> Again, I'd have to instrument either the FreeBSD kernel or Squid to
>> be 100% sure. But it APPEARS that it's a problem with large
>> numbers of threads trying to do file I/O simultaneously and blocking.
> 
> I'd still check the namei cache; Squid can and does chew through
> stupid amounts of pathnames. Its why I hacked up that "ifs" thing a
> few years ago but was suddenly (contractually) required to not hack on
> caching for a while..
> 

Yes, Squid is the ideal application for IFS.  Do you still have any of 
your work on this, and would you be able to share it?

Scott