[consulting] managing many sites

[Khalid B]

> I have used multi-site installs over multiple individual installs
> because it eased the update process -- after reading this thread, I'll
> be switching to CVS --

I am doing a CVS + staging solution right now.  This will merge my own
patches into the core Drupal (say 4.6.5 now), and then I can create my
own tarball to propagate to sites. First I test the tar ball on a test
copy of the site, see if anything is broken, then do it to the live
site(s).

> But, the question that came up was related to memory usage -- If you
> have ten sites running off one codebase, does that use less memory than
> ten individual installs? Assuming, of course, that usage on the sites
> was the same?

Should not affect memory at all. Memory is used when a script is run, not
when it is on the disk. Doesn't matter.