On Mon, 2005-10-03 at 10:36 -0400, Tom Lane wrote:
> Simon Riggs <simon@2ndquadrant.com> writes:
> > The following patch implements a fairly light set of timing statements
> > aimed at understanding external sort performance. There is no attempt to
> > alter the algorithms.
>
> What do people think about putting something like this into 8.1?
> Strictly speaking it's a new feature, but the patch seems pretty
> noninvasive, and we'd be much more likely to get data points if the
> code exists in the mainline release than if people have to patch
> their copies.
>
> > postgres=# set debug_sort=true;
>
> I'm a bit inclined to call it trace_sort instead, and to document it
> under "Developer Options". Comments?
Sounds good to me.
Any other requests for info in the trace output.... shout now
Best Regards, Simon Riggs