[Zope] Thousands of Objects - how do they manifest? (newbie)

[Toby Dickenson]

On Monday 06 January 2003 5:48 pm, Casey Duncan wrote:

> That said, the current FileStorage (the default used with Zope) has a
> memory resident index which grows linearly with the number of objects i=
n
> your database. This will consume a lot of memory if you have millions o=
f
> objects (some thing like 12-20 bytes per object). I am actually current=
ly
> working on a solution to this though...=20

Interesting. Anything public?

> > 4) If I need to be assured of being able to backup/restore the databa=
se
> > and/or rebuild the site in the event of catastrophe does an external
> > database provide any greater facility/reliability for achieving this?=
 Or
> > is ZEO the thing to use?
>
> ZEO is not replication/redundancy of data. It is for
> scalability/availablity by allowing multiple app servers share the same
> storage.
>
> There is a commercial product called ZRS (Zope Replication Service) whi=
ch
> can be used to replicate ZODB data in real time. This can be used as an
> automatic backup as well AFAIK.

You may also be interested in an alpha-quality replication tool for=20
DirectoryStorage 1.1:
http://dirstorage.sourceforge.net/replica.html

--=20
Toby Dickenson
http://www.geminidataloggers.com/people/tdickenson