Re: Serious WAPL performance problems

[Edgar Fuß <ef%math.uni-bonn.de@localhost>]

Now this is getting weird. I have retried the experiment with neither softdep 
nor log, i.e. with a plain old FFS, and that performs as well as or even 
outperforms WAPL.
With both a 5.1_STABLE and a 6.0_RELEASE kernel, on a 16k fsbsize FFSv2, the 
svn updates takes around 5 seconds with either log or without.
On the 8k fsbsize FFSv1, it takes 7 seconds with WAPL and 5 without!
So there seems to be something seriously wrong with WAPL if can degrade fs 
performance, isn't it?