On Tue, Feb 9, 2021 at 6:14 PM Masahiko Sawada <sawada.m...@gmail.com> wrote: > Thanks. I think that's very good if we resolve this recycling stuff > first then try the new approach to skip index vacuum in more cases. > That way, even if the vacuum strategy stuff took a very long time to > get committed over several major versions, we would not be affected by > deleted nbtree page recycling problem (at least for built-in index > AMs). Also, the approach of 6655a7299d8 itself is a good improvement > and seems straightforward to me.
I'm glad that you emphasized this issue, because I came up with a solution that turns out to not be very invasive. At the same time it has unexpected advantages, liking improving amcheck coverage for deleted pages. -- Peter Geoghegan