Grouper Developers Forum

[Tom Barton <>]

I'm going to start using more specific subject lines to start separate 
threads as we continue to delve into the issues raised by Shilen...

Shilen Patel wrote:
> > > The import file is 230 MB (from the 1.1 Grouper export).  There are
> > > 846,102 memberships, 102,093 groups, and 89,514 stems.
> >
> > I'm curious about the nearly 1-1 ratio of stems to groups. What's your 
> > stem structure look like, and when do you decide to create a stem vs 
> > create a group?
>
> About 99% of our stems and groups and 50% of our memberships are from 
> class data.  The rest is almost all from the dynamic groups.
>
> Our class data groups are formated like the following:  
> duke:siss:courses:<SUBJECT>:<CATALOG NUMBER>:<SECTION NUMBER>:<CLASS 
> NUMBER>:<TERM NUMBER>:<instructors or TAs or students>.  So the subject, 
> catalog number, section number, class number, and term number are 
> stems.   Most of the stems were probably created with the first year of 
> classes and as the number of years of classes increases, the stems to 
> groups ratio will no longer be around 1-1.

I'm curious. Do you anticipate using this stem structure to 
differentiate among people with STEM or CREATE privileges, to facilitate 
browsing through the mass of course groups, and/or is it a way of 
affixing an appropriate attribute value to a course group?