Am Montag, 19. November 2001 19:07 schrieb Linus Torvalds:
> On Mon, 19 Nov 2001, Sebastian Dröge wrote:
> > Hi,
> > I couldn't answer ealier because I had some problems with my ISP
> > the heavy swapping problem while burning a cd is solved in pre6aa1
> > but if you want i can do some statistics tommorow
>
> Well, pre6aa1 performs really badly exactly because it by default doesn't
> swap enough even on _normal_ loads because Andrea is playing with some
> tuning (and see the bad results of that tuning in the VM testing by
> rwhron@earthlink.net).
>
> So the pre6aa1 numbers are kind of suspect - lack of swapping may not be
> due to fixing the problem, but due to bad tuning.
>
> Does plain pre6 solve it? Plain pre6 has a fix where a locked shared
> memory area would previously cause unnecessary swapping, and maybe the CD
> burning buffer is using shmlock..
Hi,
yes plain pre6 seems to solve it, too. I can't be sure right now because I
have recorded only 3 CDs while running pre6
pre6 swaps more than aa1 but I had so far I had no buffer-underuns and much
of the swap appears in SwapCached
the interactive performance seems to be much better in pre6 than in aa1 so
I'll stay with pre6 ;)
Bye
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