[Zope] Memory consumtion of a zope instance

[Jens Vagelpohl]

so you really think that coming up with a setup like you propose is 
better than getting some extra RAM? i don't get it. RAM is comparably 
cheap.

besides, 11-18 MB of RAM consumption for a zope process really isn't 
much at all.

jens


On Wednesday, Sep 11, 2002, at 17:48 US/Eastern, Andreas Lauser wrote:
> Hi List,
>
> I'm doing shared zope hosting, where everbody gets his own instance 
> (using the
> INSTANCE_HOME environment variable). but when I looked at the memory
> consumtion I noticed that every instance grabed between 11 and 18 
> Megabytes
> of RAM. Since our server is not too blessed with RAM I wondered, 
> whether it
> was possible to reduce the RAM comsumtion of the instances.
>
> I thought at doing a 'late' fork: start a supervisor process at first 
> which
> loads python and initializes the default products. An Instance would 
> fork
> this process and initialize the products special to it. In this scheme
> python's and most of zope's RAM pages are copy on write on most UNIX 
> systems
> (-> they don't eat your mem). As a site effect, instance startup would 
> be
> greatly accelerated.
>
> Is something like this available, or planned? Maybe I can code this on 
> my own,
> but at first I've got to gather a lot more experience with zope.
>
> Thanks
>   AND