On Wed, Oct 30, 2024 at 11:39 AM Don Seiler <don@xxxxxxxxx> wrote: > Thanks Peter, I'll look into that shortly. It sounds like you have no updates and deletes. Right? So the only thing that could be different is the way that the pages are being split (aside from variations in the width of index tuples, which seems highly unlikely to be the only factor). The heuristics used to trigger the relevant behavior are fairly conservative. I wonder if we should be more aggressive about it. > I should have also included that this is on PG 15 (currently 15.8 but we created the indexes when it was still 15.7) on Ubuntu 22.04 LTS. That shouldn't matter, as far as this theory of mine is concerned. Anything after 12 could be affected by the issue I'm thinking of. -- Peter Geoghegan
