On Tue, Aug 05, 2014 at 09:32:59PM -0700, Peter Geoghegan wrote:
> On Tue, Aug 5, 2014 at 8:55 PM, Noah Misch <noah@leadboat.com> wrote:
> > Comparator cost affects external sorts more than it affects internal sorts.
> > When I profiled internal and external int4 sorting, btint4cmp() was 0.37% of
> > the internal sort profile and 10.26% of the external sort profile.
>
> Did you attempt to characterize where wall time was being spent?
No. I have the perf data files, if you'd like to see any particular report.
--
Noah Misch
EnterpriseDB http://www.enterprisedb.com