[Zope-CMF] Fw: [Zope] storing in ZODB vs filesystem

[cijiisen]

FYI
----- Original Message -----
From: "Phil Glaser" <StillSmallVoice@DirectvInternet.com>
To: <zope@zope.org>
Cc: "Andreas Jung" <andreas@andreas-jung.com>; "cijiisen"
<cijiisen@hotmail.com>
Sent: Sunday, August 25, 2002 11:37 PM
Subject: RE: [Zope] storing in ZODB vs filesystem


> Hi,
>
> > It should not be a problem to store at least ten-thousands of documents
> > inside the ZODB. At least some popular websites running on Zope are
using
> > a ZODB based solution for all their content.
>
> But doesn't that cause the size of ZODB to grow more quickly than if you
> were to store uploaded files on the filesystem and then just wrap meta
data
> around them with LocalFS? My understanding is that your process space
needs
> to have enough RAM to contain the ZODB index, which is typtically about
20%
> the size of Data.fs. If the index has to be paged out, performance slows
to
> a grind. If so, storing files in ZODB would not run into problems if
you've
> got adequate RAM and/or can afford to distribute ZODB onto it's own ZEO
> server. But if you've got hardware limits, it seems like it would be safer
> to store the files in the filesystem. I've always assumed that that's the
> whole point of LocalFS.
>
> Is all this plausible, or am I barking up the wrong tree? Please correct
me
> if I'm wrong because this is an issue for an app I'm in the process of
> spec'ing out.
>
> Regards,
>
> Phil
>
>