[lug] XFS filesystem core code goes into AC series

[rm at fabula.de]

On Wed, Apr 30, 2003 at 09:23:27AM -0600, Nate Duehr wrote:
> Make sure to check out the different journaling modes on ext3 also.  I have
> seen reports on the web that using the Data: Journaled mode vs. Data:
> Ordered mode can increase performance (at only a slight loss of meta-data
> information) dramatically.

I usually don't bother with a lot of performance tweaks. None of my
work requires high bandwith or fast directory scans [well, i manage a
document store with hughe amounts of files per dir and really think
of using ReiserFS for that].

> There were a couple of good articles on IBM's DeveloperWorks site about ext3
> a while back.  Good primer info.
> 
> I haven't had a chance to test the speed claims yet.  (And no, I won't take
> their word for it.  GRIN...)
> 
> And it can not be done on the root partition, so if you're a fan of "make
> the whole drive /" (I'm not, definitely.), you're out of luck.

Really? As far as i remember my PowerPC has one huge '/' -- only the
'/boot' is on a separate partition. And that's my testbox for ext3.

 Ralf Mattes
> Nate Duehr, nate at natetech.com
> 
> ----- Original Message ----- 
> From: <rm at fabula.de>
> To: <lug at lug.boulder.co.us>
> Sent: Wednesday, April 30, 2003 4:06 AM
> Subject: Re: [lug] XFS filesystem core code goes into AC series
> 
> 
> > On Tue, Apr 29, 2003 at 05:00:29PM -0600, The Matt wrote:
> > >
> > > OK, I'll ask.  I've used FATxx, NTFS, Extx, and BeFS, but never XFS.
> > > What are the pros/cons of XFS compared to, say, Ext3 and ReiserFS.  My
> > > limited knowledge is that XFS is what you use on very fast (SCSI320 and
> > > Fibre Channel) systems, ReiserFS is good for small files,
> >
> > AFAIK this is not entirely correct -- ReiserFS (with its default
> > B-Tree implementation) is very good for directories with lots of
> > files (unpatched ext2 does a linear scan over the file list
> > to find a file while ReiserFS uses a b-tree).
> >
> > > and
> > > ext3...well, because I always used ext2, I've never looked elsewhere.
> >
> > I recently switched over to ext3 on some of my systems. Thanks to
> > the logging of meta information fscheck performance is rather impressive
> > (note: ext3 volumes can be mounted as ext2 volumes - handy in case of
> > emergency).
> >
> > just my 0.02$
> >
> >     Ralf Mattes
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> 
> 
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