UPDATING 20110730

[perryh at pluto.rain.com]

Andriy Gapon <avg at freebsd.org> wrote:

> If for X ports all the relevant data under /var/db/pkg fits into
> fs cache, then the performance may be blazing, but once you exceed
> the cache size the performance might become totally different.

and/or the poorly-performing system may have enough less memory than
the other for paging/swapping to be a factor.