Peter Geoghegan <pg(at)bowt(dot)ie> writes:
> On Wed, Aug 8, 2018 at 7:40 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Oooh ... but pg_class wouldn't be big enough to get a parallel
>> index rebuild during that test, would it?
> Typically not, but I don't think that we can rule it out right away.
Didn't take long to show that the relmapper issue wasn't it:
https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=coypu&dt=2018-08-10%2021%3A21%3A40
So we're back to square one. Although Tomas' recent report might
give us something new to chase.
regards, tom lane