[Zope-dev] Specialist/Rack scalability
Michael Bernstein
webmaven@lvcm.com
Mon, 22 Jan 2001 22:39:08 -0800
"Phillip J. Eby" wrote:
>
> Just to expand a little on the abov... Racks should scale at least as
> well, if not larger than a ZCatalog, given the same storage backing for the
> ZODB. This is because ZCatalog has to manage a minimum of one forward and
> reverse BTree for *each* index, plus another few BTrees for overall storage
> and housekeeping. Also, keyword and full text indexes store multiple BTree
> entries per object, so that's a factor as well.
>
> So don't worry about the Rack. If you're using a Rack, you can store the
> data anywhere, and you can index it in an RDBMS, LDAP directory, ZCatalog,
> or some combination thereof, using triggers to keep the data in sync.
Thanks Philip, that's reassuring. I guess now I need to make
certain that the ZCatalog can scale as far as I need it to.
Michael Bernstein.