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SubjectRe: [PATCH 0/4 v3] ext3/4: enhance fsync performance when using CFQ
On Thu, Apr 15 2010, Jeff Moyer wrote:
> Jens Axboe <jens.axboe@oracle.com> writes:
>
> >> > This is starting to look better. Can you share what tests you did? I
> >> > tried reproducing with fs_mark last time and could not.
> >>
> >> Did you use the fs_mark command line I (think I) had posted? What
> >> storage were you using?
> >
> > No, I didn't see any references to example command lines. I tested on a
> > few single disks, rotating and SSD. I expected the single spinning disk
> > to show the problem to some extent at least, but there was no difference
> > observed with 64kb blocks.
>
> Boy, I'm really slipping. Try this one:
>
> ./fs_mark -S 1 -D 100 -N 1000 -d /mnt/test/fs_mark -s 65536 -t 1 -w 4096

Thanks Jeff, I'll give it a spin :-)

--
Jens Axboe



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