please eat my data!

Dirk Hohndel hohndel at infradead.org
Mon Apr 12 16:35:28 PDT 2010


On Mon, 12 Apr 2010 19:10:25 -0400, Servilio Afre Puentes <servilio at gmail.com> wrote:
> On 12 April 2010 13:47, Dirk Hohndel <hohndel at infradead.org> wrote:
> > On Mon, 12 Apr 2010 10:14:05 -0700, Stewart Smith <stewart at flamingspork.com> wrote:
> >> On Mon, 12 Apr 2010 17:24:35 +0200, "Sebastian Spaeth" <Sebastian at SSpaeth.de> wrote:
> >> > What I find intersting is that we have a 2x speedup and a 10x speedup
> >> > for different queries. Olly was saying on IRC that both *should* really be
> >> > behaving in much the same manner.
> >>
> >> Remember that on ext3 (and pretty sure ext4) fsync is the same as
> >> sync(). So performance depends on how much dirty data you have in your cache.
> >>
> >> libeatmydata also gets rid of msync(), O_SYNC etc as well.
> >
> > Which is why so many of us have started to use BTRFS...
> 
> How stable is it now? What kernel version and distro are you using?

Several. Fedora 12 with 2.6.34-rc3. Moblin-2.1 (derivative) with 2.6.33.
Debian sid with 2.6.33

I've been using it for most everything I do since some point in the
2.6.32 rcs.

/D

-- 
Dirk Hohndel
Intel Open Source Technology Center


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