[Zope-dev] Re: Zope ISP'ing (was ZODB DA)

[technews@egsx.com]

Hi,

We provide Zope services to support our sites.  Now we have four sites on
the same machine, and we had to have one installation per site.  Each site
uses its own ZServer, Zope.cgi file, var dir.  We tried to get all of them
to share the same library but we wre unable to do that.  So we decided to
provide Zope hosting based on the size of the Data.fs used.  For example
our hosting package allowed for 50 megs, now we can apply the same scheme
to this without having to worry about who is doing what.  It is also
easier when configuring the Apache rewrite rules that way.. No need to use
the SiteRoot/SiteAccess which gave us too much headache.

Adonis

On Wed, 8 Dec 1999, David Kankiewicz wrote:

> Jim Fulton wrote:
> > 
> > Pavlos Christoforou wrote:
> > >
> > > On Wed, 8 Dec 1999, Jim Fulton wrote:
> > >
> > > > This sort of scheme could be achieved with relatively minor extensions
> > > > to user databases and storages. For example you could problably
> > > > use an accounting storage that wrapped another storage (much
> > > > like DemoStorage or Ty Sarna's CompressedStorage do).
> > >
> > > IMO an easy way to hook up multiple storages is still desirable. For one
> > > you can mix non-versioning storages with versioning ones or even more
> > > fancy things like read only (cd-rom based ones) with the regular
> > > FileStorage.
> 
> That could be used in any number of cool ideas, personal storage,
> offline editing etc..
> 
> > 
> > Absolutely, but having multiple DBs is harder than implementing
> > an accounting model, so the best way to achiev *this* goal is
> > with an accounting model. Furthermore, I think that an
> > accounting-based approach has advantages over the multi-db
> > approach.
> > 
> > Jim
> 
> Having multiple DBs would allow much better control over diskspace then
> the accounting-based approach. Two main points are; non "packed" ZODBs
> can consume all the users qouta, and packing one large ZODB removes
> "date" oriented undo features for all the users.
> 
> 
> my two bits,
> David
> 
> 
> > 
> > --
> > Jim Fulton           mailto:jim@digicool.com   Python Powered!
> > Technical Director   (888) 344-4332            http://www.python.org
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