On Sat, Apr 10, 2021 at 10:04 PM Tom Lane <t...@sss.pgh.pa.us> wrote: > Just eyeing the evidence on hand, I'm wondering if something has decided > it can start setting the page-all-visible bit without adequate lock, > perhaps only in system catalogs. heap_update is clearly assuming that > that flag won't change underneath it, and if it did, it's clear how this > symptom would ensue.
Does this patch seem to fix the problem? -- Peter Geoghegan
0001-Acquire-super-exclusive-lock-in-lazy_vacuum_heap_rel.patch
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