On Wed, Aug 16, 2023 at 5:17 PM John Naylor <john.naylor@postgresql.org> wrote: > > Split out tiebreaker comparisons from comparetup_* functions
Hammerkop is getting OOM errors with this change. Most grand totals in the memory context stats show between 1 and 3 MB, and "tuplesort main" only shows small-ish requests, so not sure what's going on.