Subject Re: [IB-Architect] trouble with sweep
Author Ivan Prenosil
> From: Ann W. Harrison <aharrison@...>
> For V6, in SuperServer only,
> Charlie implemented a separate garbage collect thread which runs in
> background. When a process finds a record that needs garbage collection
> it put the record id (I think) on a list and notifies the garbage
> collection thread. The garbage collection thread does the actual
> work.

Garbage collection thread maintains list of _pages_.
(Which makes sense; if the page is already loaded, why not clean it whole)