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

[Chris McDonough]

I thought about this for about 10 seconds... then I thought about how
hard it would be and stopped.

> -----Original Message-----
> From: Brad Clements [mailto:bkc@murkworks.com]
> Sent: Tuesday, May 09, 2000 6:14 PM
> To: zope@zope.org
> Subject: [Zope] ZODB replication on a per-object basis?
> 
> 
> 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
> 
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