On Sun, Sep 06, 2026 at 09:25:34PM -0400, Tom Lane wrote: > EXTERN_TUPLES_PER_PAGE is a free variable here, and it's entirely > possible that someone would wish to tweak it. So I disagree that > it's safe to remove this value from pg_control.
Requoting my previous message that you did not include: > There may be an argument about somebody enforcing a new > TOAST_OID_MAX_CHUNK_SIZE or EXTERN_TUPLES_PER_PAGE manually, of > course, but while we claim that tweaks are possible in heaptoast.h, I've never seen anybody actually do that. So yes, I agree that if somebody has the idea to change this value manually, the control file value makes sense to keep. It's just that I doubt that anybody is actually doing that. :) -- Michael
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