Re: BUG #10533: 9.4 beta1 assertion failure in autovacuum process - Mailing list pgsql-bugs

Heikki Linnakangas <hlinnakangas@vmware.com> writes:
> On 06/09/2014 03:46 PM, Andres Freund wrote:
>> Before I start working on a patch along those lines, do you see any
>> problems with making the critical section smaller?

> One subtle difference is that the PD_ALL_VISIBLE flag will not be
> included in the full-page-image that log_heap_page() might take. But
> that seems OK. visibilitymap_set() writes a WAL record that sets it at
> replay.

Huh?  The visibility map call is after the page image would be taken in
any case.

            regards, tom lane