On Mon, Nov 14, 2022 at 11:08 AM Tom Lane <t...@sss.pgh.pa.us> wrote: > There is something very seriously wrong with this patch. > > On my machine, running "make -j10 check-world" (with compilation > already done) has been taking right about 2 minutes for some time. > Since this patch, it's taking around 2:45 --- I did a bisect run > to confirm that this patch is where it changed. > > The buildfarm is showing a hit, too. Comparing the step runtimes at > > https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=longfin&dt=2022-11-08%2005%3A29%3A28 > https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=longfin&dt=2022-11-08%2007%3A49%3A31 > > it'd seem that most tests involving walreceivers got much slower: > pg_basebackup-check from 00:29 to 00:39, > pg_rewind-check went from 00:56 to 01:26, > and recovery-check went from 03:56 to 04:45. > Curiously, subscription-check only went from 03:26 to 03:29. > > I've not dug into it further than that, but my bet is that some > required wakeup condition was not accounted for.
Looking...