Re: strange performance regression between 7.4 and 8.1

"Alex Deucher" <alexdeucher@gmail.com> writes:
> Anyway, new numbers after the analyze.
> Unfortunately, they are improved, but still not great:

Why are the index names different between the old and new servers?
Is that just cosmetic, or is 8.2 actually picking a different
(and less suitable) index for the c1 queries?

            regards, tom lane