[Zope] Re: database conflicts and the _p_oid missing attribute bug

[Shane Landrum]

On Fri, Jan 23, 2004 at 11:36:24AM -0500, Casey Duncan wrote:

> <a big long explanation>

Thanks, this is much clearer now. 

> Conflicts tend to center around "hotspots", objects that are changed
> often by many requests. The Catalog is a classic example since it tends
> to get changed everytime new content is added to the system. Content
> repository folders are another example.
> 
> Both of these "hotspots" have their own conflict resolution code (they
> typically use BTree objects which can resolve many write conflicts
> internally). Write conflicts tend to be pretty manageable if you
> recognize hotspots and use the proper data types (like BTrees) or add
> your own conflict resolution (not for the faint of heart, however).

Where can I read about writing my own conflict resolution?
What risks are there with this approach, and how do I minimize them?

srl
-- 
Shane Landrum, Software Engineer    srl at boston.com
boston.com / NY Times Digital