Thanks for a very informative post! One question:
> I'm not sure how to find the current value, but a smaller fill factor
> on busy tables should lead to less fragmentation, thus more efficient
> indexes over time. Keep in mind that a smaller fill factor will also
> lead to larger indexes initially.
What constitutes a "small fill factor"? Would 70 be good? I guess my
current must have been the default, which the manual says is 100. Or
did you mean really small fill factor like 20? In this context, what
is "packing" in the manual -- is that some kind of compression?