Re: Horrible ftruncate performance

["Dieter Nützel" <Dieter.Nuetzel@hamburg.de>]

Am Freitag, 11. Juli 2003 19:09 schrieb Chris Mason:
> On Fri, 2003-07-11 at 11:44, Oleg Drokin wrote:
> > Hello!
> >
> > On Fri, Jul 11, 2003 at 05:34:12PM +0200, Marc-Christian Petersen wrote:
> > > > Actually I did it already, as data-logging patches can be applied to
> > > > 2.4.22-pre3 (where this truncate patch was included).
> > > >
> > > > > Maybe it _IS_ time for this _AND_ all the other data-logging
> > > > > patches? 2.4.22-pre5?
> > > >
> > > > It's Chris turn. I thought it is good idea to test in -ac first,
> > > > though (even taking into account that these patches are part of
> > > > SuSE's stock kernels).
> > >
> > > Well, I don't think that testing in -ac is necessary at all in this
> > > case.
> >
> > May be not. But it is still useful ;)
> >
> > > I am using WOLK on many production machines with ReiserFS mostly as
> > > Fileserver (hundred of gigabytes) and proxy caches.
> >
> > I am using this code on my production server myself ;)
> >
> > > If someone would ask me: Go for 2.4 mainline inclusion w/o going via
> > > -ac! :)
> >
> > Chris should decide (and Marcelo should agree) (Actually Chris thought it
> > is good idea to submit data-logging to Marcelo now, too). I have no
> > objections. Also now, that quota v2 code is in place, even quota code can
> > be included.
> >
> > Also it would be great to port this stuff to 2.5 (yes, I know Chris wants
> > this to be in 2.4 first)
>
> Marcelo seems to like being really conservative on this point, and I
> don't have a problem with Oleg's original idea to just do relocation in
> 2.4.22 and the full data logging in 2.4.23-pre4 (perhaps +quota now that
> 32 bit quota support is in there).

So, it's another half year away...?

> 2.5 porting work has restarted at last, Oleg's really been helpful with
> keeping the 2.4 stuff up to date.

Nice but.

Patches against latest -aa could be helpful, then.

Thanks,
	Dieter