On Mon, 10 Mar 2025 at 10:30, David Rowley <dgrowle...@gmail.com> wrote: > Could you do something similar to what's in hash_agg_check_limits() > where we check we've got at least 1 item before bailing before we've > used up the all the prescribed memory? That seems like a safer coding > practise as if in the future the minimum usage for a DSM segment goes > above 256KB, the bug comes back again.
FWIW, I had something like the attached in mind. David
ensure_weve_at_least_one_page_before_vacuum_index_cleanup.patch
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