Mailinglist Archive: opensuse (3073 mails)

["Greg Freemyer" <greg.freemyer@xxxxxxxxx>]

On Jan 3, 2008 2:04 PM, Carlos E. R. <robin.listas@xxxxxxxxxxxxxx> wrote:
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> The Thursday 2008-01-03 at 13:00 -0500, Greg Freemyer wrote:
>
> > I have a Windows based app we run at our office.
> >
> > It sometimes creates directories with literally millions of small
> > files in one directory.  Using a local drive with NTFS it is taking
> > hours to do simple things in that directory.
> >
> > I'm thinking of sitting up a dedicated Samba Server to serve just the
> > data drive out to this windows server.
> >
> > If I did that, what would be the best choice of filesystem?  ReiserFS?
> > I know it has been optimized for lots of small files, but I'm not
> > sure about the couple million in one directory scenario.
>
>
> Reiserfs will be very happy with millions of files in a single directory.
> You can try it yourself, creating and deleting such files with a script
> and timing the operation: I did so myself to verify.
>
> Like:
>
>    $DONDE=/Somewhere
>    time for X in `seq 1 1000`;
>      do
>        for Y in `seq 1 1000`;
>        do
>          dd if=/dev/zero   of=$DONDE/Zero_$X"_"$Y bs=1k count=1 2> /dev/null
>        done
>        echo $X thousands
>      done
>
>     (You can add timings in there)

Testing now on a native reiser.  I'll play with samba tomorrow.

FYI: I guess that extra $ was to make sure I knew what I was doing.  I
copied the above a little to literally the first time and created a
few hundred /Zero* files.  Easy enough to delete.  Glad you gave them
a nice easy to identify name.

Greg
-- 
Greg Freemyer
Litigation Triage Solutions Specialist
http://www.linkedin.com/in/gregfreemyer
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