[Zope-dev] OracleStorage, and possibly others

[Lalo Martins]

On Thu, Nov 30, 2000 at 08:27:00AM -0500, Jim Fulton wrote:
> Lalo Martins wrote:
> > 
> > Anyway, I said "inefficient", not "slow".
> 
> I think you really mean "scalable".

No, I meant "inefficient", a purposely vague term ;-) yes, I
meant to imply it isn't scalable, but not only that, and as I
didn't have the numbers, I prefered to be vague. What you say
below for memory usage also falls under "inefficient". Eating
into swap can really make a big machine crawl.

> OTOH, FileStorage has a huge memory hit for lage databases, because
> it keeps an in memory index from oid to file position.  It currently
> uses a Python dictionary for this. We could probably reduce the memory 
> hit by about an order of magnitude by switching to a different data
> structure, but DCOracleStorage or a Berkeley DB-based storage doesn't
> need this index.

[]s,
                                               |alo
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