Decibel! wrote:

> Hrm... what about adding output to vacuum verbose that indicates how many 
> pages in a relation have free space? That would allow something like 
> pgfouine to see how many FSM pages were needed. It would also make it 
> easier to identify relations that could stand a vacuum full/reindex/cluster 
> (though you'd also want to know something like average free space per 
> page).

Rather than wasting time fixing minor FSM issues, I would favor
rewriting the stuff so that the FSM is disk-spillable.

-- 
Alvaro Herrera                          Developer, http://www.PostgreSQL.org/
"Sallah, I said NO camels! That's FIVE camels; can't you count?"
(Indiana Jones)

In response to

• Re: [HACKERS] Re: pgsql: Fix free space map to correctly track the total amount of FSM at 2007-10-03 00:17:39 from Decibel!

Responses

• Re: Re: [COMMITTERS] pgsql: Fix free space map to correctly track the total amount of FSM at 2007-10-04 05:02:55 from Decibel!

pgsql-hackers by date

Next:	From: Tom Lane	Date: 2007-10-03 01:48:49
	Subject: Re: Re: [COMMITTERS] pgsql: Fix free space map to correctly track the total amount of FSM
Previous:	From: Jeff Frost	Date: 2007-10-03 00:20:08
	Subject: Why does the sequence skip a number with generate_series?

pgsql-committers by date

Next:	From: Tom Lane	Date: 2007-10-03 01:48:49
	Subject: Re: Re: [COMMITTERS] pgsql: Fix free space map to correctly track the total amount of FSM
Previous:	From: Decibel!	Date: 2007-10-03 00:17:39
	Subject: Re: [HACKERS] Re: pgsql: Fix free space map to correctly track the total amount of FSM