Shane Hathaway writes:
Well, I reduced the 'target size' from 20,000 object down to 1000, and the
memory seems to be climbing.
> Jason Spisak wrote:
> > >
> > > After minimizing your in-memory cache, look at the manage_debug screen
> > > again. Are the refcounts still high? I bet they are...
> > >
> > No. The ref counts drop to hundreds.
> That's a big relief. Okay, now we know that this isn't a memory leak,
> it's only related to the fact that your site requires ZODB to load a
> very large number of objects into memory in order to perform normal
> Here's something to think about: whenever an object is added to or
> removed from a folder, all objects in all neighboring folders and below
> are traversed. The manage_beforeDelete and manage_afterAdd hooks are
> called on each object.
I am hoping to use ZPatterns to stem this rapidly out of control,
ObjectManger not scalable, issue.
> Also, there is still the issue that Python doesn't seem to be releasing
> memory back to the system. I wonder whether that capability has been
> implemented in Python.
It would really put a damper on things if is wasn't. However, when I
stopped my Zope process each time, it didn't seem to give me back what
Ihad started with. Maybe there is a leak in the kernel I am using. It's
> > Also, is see reference to 161 Products.GadflyDA.gadfly.kjparser.ParseRule,
> > and I'm not even useing Gadfly!
> > What the heck is that about? Anyone?
> Chances are some other product is "reaching in" to Gadfly. Do you have
> the Zope tutorial installed? It uses Gadfly.
No. This is a Data.fs that came from Zope 1. I didn't even think to get
Gadfly out of the Products directory.
> > Thing's seem to be a bit nicer now that I took out an External Method that
> > returns a DateTime object the Catalog for Indexing. However, there's only
> > about 14,000 of objects with that property in existsnce in my DB, and they
> > don't change often.
> > Here's the code:
> > def calendar_day(self)
> > return int(self.calendar_date)/1000000
> > Used to return the unique integer day.
> That code actually doesn't return a DateTime instance, just an integer.
Yeah, I didn't really think is was that. ;)
> Keep me informed.
You bet. And a thousand thanks are waiting in my cache for you.
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