Greg Smith <gsmith(at)gregsmith(dot)com> writes:
> ...This is a bit out of my area, but after reading the rest of this thread I
> wonder whether raising the default_statistics_target parameter a bit might
> reduce the instances of bad plans showing up.
On the evidence so far, it doesn't seem that David's problem has
anything to do with bad plans --- I suspected that at first, but the
theory's been shot down. I'm now thinking it's an I/O bottleneck in
some form ...
regards, tom lane