Hi,
On 2020-10-03 12:58:01 +0530, Kuntal Ghosh wrote:
> IIUC, there can be a HOT-updated tuple which is not initially pruned
> by heap_page_prune but later diagnosed HEAPTUPLE_DEAD by
> HeapTupleSatisfiesVacuum (Since OldestXmin can be updated by the time
> we call HeapTupleSatisfiesVacuum and xmax becomes older than
> OldestXmin).
Hm? OldestXmin is constant over the course of vacuum, no?
Greetings,
Andres Freund