[Bizgres-general] Question: Is 64-bit cache support valuable?

[Simon Riggs]

On Sat, 2005-09-24 at 16:32 -0500, Jim C. Nasby wrote:

> On Thu, Jul 21, 2005 at 07:39:15PM +0100, Simon Riggs wrote:
> > >  I'd narrow down 
> > > the critical features to:
> > > 
> > > 1. Allow 64-bit work_mem (and maintenance_work_mem) allocation.
> > > 2. Add a total_work_mem limit which would be tracked for work_mem, 
> > > maintenance_work_mem, and temp_buffers.
> > > 3. Add a system where processes requesting over the limit or total_work_mem 
> > > would block and wait.
> > > 
> > > I think that would be enough code for a first, useful implementation and 
> > > further improvements would be suggested by the users/results.   Adding the 
> > > hooks for centralized tracking and management of allocated memory will be 
> > > enough code as it is.
> > 
> > I'll move to -hackers for the more detailed aspects, once 8.1 beta is
> > out.
> > 
> This hasn't gone to -hackers yet, right?

We've had a discussion around this and the complexities of achieving
this with the current codebase. For now, this idea has been shelved but
not dismissed entirely.

Best Regards, Simon Riggs