[Zope-CMF] Are there scaling issues with the Catalog?

[Dieter Maurer]

Karl Anderson writes:
 > Dieter Maurer <dieter@handshake.de> writes:
 > > ...
 > >      Even a moderately large catalog seems to freeze even a Zope/ZEO cluster
 > >      for a considerable time in "updateCatalog".
 > 
 > Why not update smaller batches of entries in this case?  You know
 > where to find them :)
Meantime, I would have inconsistencies.

 > Come to think of it, do you know what resource was being used up to
 > make updating the catalog cause ZEO clients to freeze?
I do not know, but I suspect the myriads of invalidation messages
sent from ZEO to its clients to invalidate their cache entries.


Dieter