> That seems quite peculiar; AFAICS the pgstat code shouldn't be any
> slower than before. At first I thought it might be because we'd
> increased PGSTAT_ACTIVITY_SIZE, but actually that happened before
> 8.0 release, so it shouldn't be a factor in this comparison.
Just FYI the last time I looked at stats was in the 8.0 beta period.
> Can anyone else confirm a larger penalty for stats_command_string in
> HEAD than in 8.0? A self-contained test case would be nice too.
looking into it.
Merlin