Re: [HACKERS] External Sort timing debug statements

On Mon, Oct 03, 2005 at 10:36:57AM -0400, Tom Lane wrote:
> Simon Riggs <simon(at)2ndquadrant(dot)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.

This would be good :)

> > postgres=# set debug_sort=true;
>
> I'm a bit inclined to call it trace_sort instead, and to document it
> under "Developer Options". Comments?

+1

Cheers,
D
--
David Fetter david(at)fetter(dot)org http://fetter.org/
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