Performance of 4.x vs 5.x (Re: Lifetime of FreeBSD branches)
kris at obsecurity.org
Wed Jun 8 22:51:43 GMT 2005
On Thu, May 26, 2005 at 02:15:54AM +0200, Matthias Buelow wrote:
> >>Others don't see this though, and in other cases it was *definitively
> >>proven* to be caused by the issue I mentioned. I'll have to think
> >>more about what to try next..thanks for running the tests.
> >Perhaps it's something SATA-related?
> Before restoring my 5.4 dumps after testing -current, I installed
> fedora3 linux just to verify it isn't somehow the hardware itself. Ok,
> plain installation from CDs, kernel "2.6.9-1.667smp" (default
> installation kernel). There was absolutely zero noticable lag or any
> effect on response time on X11 while untarring the same firefox source.
> So there really seems to be something foul in FreeBSD in that regard.
> And now for the dumps.. *sigh*.
In case you didn't see it, Jeff identified the probable cause of this
and developed the followng patch:
Does it work for you on 5.4?
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