[Zope-dev] BTreeFolder2.objectIds() - accessing _tree.keys() slow

[sean.upton at uniontrib.com]

> sean.upton at uniontrib.com wrote:
> > I'm pretty sure this works.
> 
> Ok, I get it now.  I misread it the first time.
> 
> > This returns the equivalent of running
> > self.objectIds(spec=self._mt_index.keys()) on the current 
> > trunk/release code, which should be identical to 
> self._tree.keys(), but much, much faster.
> > I'm still somewhat ignorant as to why self._tree.keys() is so slow 
> > with 100k-plus objects (waking up too many persistent objects?),
> 
> I suspect the cost is in creating ghosts for all of the 
> persistent objects.
> 
> No objections here--I like this patch.

Thanks Shane - glad it makes sense.  I don't have contributor rights - would
you or anyone else be willing to gateway this diff for me and commit such
changes?

Thanks,
Sean