[Zope] ZODB replication on a per-object basis?

[RC Compaan]

Interbase does replication.  I haven't really figured out how it will work
with Zope and one will have to store Zope objects in Interbase for proper
replication.  It may be worth investigating.

Roché Compaan


> From: "Brad Clements" <bkc@murkworks.com>
> Organization: MurkWorks, Incorporated.
> To: zope@zope.org
> Date: Tue, 9 May 2000 17:14:24 -0500
> Subject: [Zope] ZODB replication on a per-object basis?
> Reply-to: bkc@murkworks.com
>
> I have a project in mind where I'd like to have 2 or more Zope
> installations selectively replicate other Zope server's objects
> (a sub-set
> of objects).
>
> I've looked at the write-up for ZEO, and that doesn't really seem
> to fit the
> bill.
>
> Imagine a master Zope site running some application, perhaps
> ZDiscussions, Wiki or Confera (just an example). Suppose that dial-up
> users want to sync their copies with the master server on a periodic
> basis, but not sync the entire zope site. (say, a list of folders and
> subfolders, and meta types).
>
> Now suppose that these client-copies also have data to contribute, that
> needs to be sync'd back to the master. Disregard the issue of two
> clients changing the same object.. I'm thinking about general replication
> of a subset of objects in folders from one system to another...
>
> The Coda file system has a disconnected mode.. If I had a Code-FS
> implementation, this might work except that I'd be missing meta info.
>
> Has anyone thought about this problem?
>
> I also need to tackle the same issue for database replication..
> Replicating changed rows between systems to keep them in sync.
> That's another story.
>
> Thoughts?
>
>
>
> Brad Clements,                bkc@murkworks.com   (315)268-1000
> http://www.murkworks.com                          (315)268-9812 Fax
> netmeeting: ils://ils.murkworks.com               AOL-IM: BKClements
>