On Tue, 1 Mar 2005, Tom Lane wrote:

> Tatsuo Ishii <[EMAIL PROTECTED]> 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 ...

yes, my number was taken after a large amount of inserts.

Your comments about the block usage in case of b-tree indexes are
absolutely interesting.
Where can i find a documentation with technical analysis for all (if
possible) of components of postgres?

All documentations that i have found are very general and refer to simple
users.


>
>                       regards, tom lane
>

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