Aaron,

I think you should read Hans' article.

Kev.



----- Original Message -----
From: "Aaron J. Seigo" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, June 05, 2003 7:11 PM
Subject: Re: (clug-talk) File System??


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> On Thursday 05 June 2003 06:45, Trevor Lauder wrote:
> > Aaron J. Seigo said:
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> > > On Thursday 05 June 2003 04:47, Trevor Lauder wrote:
> > >> A carefully
> > >> designed implementation should be more reliable then our current
> > >> systems,
> > >> and offer less overhead.
> > >
> > > how so? assuming that the database approach means an extra layer
between
> > > the
> > > inodes on disk and requests for those files, how is this of any
benefit
> > > to,
> > > say, apache?
> >
> > I believe some of these implementations were going to get rid of files &
> > directories completely.  Everything, including the data would be in the
> > DB.... not just the pointer information.  So the DB wouldn't be an extra
> > layer on top of the inodes in this case, it would just replace the
> > file/directory structure we currently have.
>
> but putting it on disk still requires an on-disk format. whether it's the
> database using a raw partition divided into pages and segments or files
> mapped out via inodes on disk, a format will still exist. it's the
difference
> between chasing pointers around on disc versus a system where a data
> structure is queried for addresses and then a lookup (or lookups) are made
on
> disk using those addresses into the on-disk format. again, depending on
the
> characteristics of your data and how you access it, one system will likely
be
> faster than the other. it's pretty obvious which one will take more RAM
and
> disk space ;-)
>
> > Microsoft's vested
> > interest in this would be that they can further increase the
strangle-hold
> > they have on customers with proprietary file formats.  It's hard enough
> > now with a proprietary file format on a normal filesystem, I don't want
to
> > imagine how hard it would be with a DB filesystem if it was implemented
by
> > Microsoft and they weren't forced to publish the specs.
>
> yep =((
>
> - --
> Aaron J. Seigo
> GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA  EE75 D6B7 2EB1 A7F1 DB43
>
> KDE: The 'K' is for 'kick ass'
> http://www.kde.org       http://promo.kde.org/3.1/feature_guide.php
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