On Sun, 22 Oct 2006 01:57:36 +0200
"Linux Portal" <linportal@xxxxxxxxx> wrote:
> ext4 is 20 percent faster writer than ext3 or reiser4, probably thanks
> to extents and delayed allocation. On other tests it is either
> slightly faster or slightly slower. reiser4 comes as a nice surprise,
> winning few benchmarks. Both are very stable, no errors during
> testing.
>
> http://linux.inet.hr/first_benchmarks_of_the_ext4_file_system.html
ext4 doesn't implement delayed allocation (yet).
I made some observations regarding comparative benchmarking of filesystems
when releasing 2.6.19-rc1-mm1. They seem to have been ignored ;) See
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.19-rc1/2.6.19-rc1-mm1/announce.txt