Tatsuo Ishii <t-ishii@sra.co.jp> writes:
> So it seems Ioannis' number was not taken immediately after a CREATE
> INDEX operation?
I would guess not, but it's up to him to say. If it is a number derived
after some period of normal operation, then his result agrees with the
theory that says 70% is the steady-state figure ...
regards, tom lane