[Zope] Zope Scalability

[Tim Peters]

[Jens Vagelpohl]
> Well, the question was actually "What is the maximum size of this
> file and/or maximum object ID? => just how many objects can the zodb
> hold?". There is only a theoretical limit that has to do with the
> largest index key for the ZODB index I believe, and that is some
> ludicrously high number that no one has ever reached.

If you're using FileStorage, a technical detail in the implementation
of the FileStorage index limits the maximum file offset that can be
used to 2**48-1, or about 281 terabytes.  Object IDs are effectively
64-bit integers (masquerading as 8-byte strings).