Re: postgresql meltdown on PlanetMath.org

Aaron Krowne <akrowne@vt.edu>

From: Aaron Krowne <akrowne@vt.edu>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Sean Chittenden <sean@chittenden.org>, pgsql-performance@postgresql.org
Date: 2003-03-18T02:31:22Z
Lists: pgsql-performance
I should have paid more attention to the disk space before... but it
looks like somewhere between half a gig and a gig was freed!  The disk
footprint is about a gig now.

Aaron Krowne

On Sun, Mar 16, 2003 at 03:37:32AM -0500, Tom Lane wrote:
> Aaron Krowne <akrowne@vt.edu> writes:
> > So, either it is broken, or doing a VACUUM FULL ANALYZE rather than just
> > VACUUM ANALYZE made all the difference.  Is this possible (the latter,
> > we know the former is possible...)?
> 
> If your FSM parameters in postgresql.conf are too small, then plain
> vacuums might have failed to keep up with the available free space,
> leading to a situation where vacuum full is essential.  Did you happen
> to notice whether the vacuum full shrunk the database's disk footprint
> noticeably?
> 
> 			regards, tom lane