Re: Fuzzy cost comparison to eliminate redundant planning

Neil Conway <neilc@samurai.com>

From: Neil Conway <neilc@samurai.com>
To: Joe Conway <mail@joeconway.com>
Cc: pgsql-hackers@postgreSQL.org, Tom Lane <tgl@sss.pgh.pa.us>
Date: 2004-03-29T02:03:01Z
Lists: pgsql-hackers
On 28-Mar-04, at 8:32 PM, Joe Conway wrote:
> It looks like a great idea to me...
>
> > + 	 * XXX does this percentage need to be user-configurable?
>
> ...but I think the answer to the above is yes.

Is this really a parameter that we can expect administrators to be able 
to understand and tune very effectively?

-Neil