On 8/11/21 1:35 PM, Peter Geoghegan wrote: > On Wed, Aug 11, 2021 at 9:32 AM Jonathan S. Katz <jk...@postgresql.org> wrote: >> Please ensure you have your feedback in no later than midnight today >> (Aug 11) AoE[1]. > > I think that the pg_upgrade item should say that we now avoid forcing > an anti-wraparound VACUUM on upgrade. This was never necessary.
How about: * `pg_upgrade` now carries forward the old installation's `oldestXID` value, which can improve things from a performance standpoint by no longer forcing an anti-wraparound `VACUUM`. ? Jonathan
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