> > I've been running this daily:
> > vacuumdb -h localhost -a -z
> > Should I be using the full switch then?
>
> Well, you generally shouldn't need to if the fsm settings are high
enough.
> If you're doing really big updates like update each row of a 1 billion
> row table, you may end up having to do one immediately following that.
> Of course, if you're doing that, performance is probably not your
biggest
> concern. ;)
Not doing that, no. ;)
> Explain analyze'll tell us if the system is changing plans (presumably
to
> a worse one)
It wasn't, oddly enough.
I've added a new table that cuts down 85% of the work this query has to
do, and it seems to have helped an awful lot at the moment. Of course
only time will tell. :)
Thanks for the suggestions.
Yours Unwhettedly,
Robert John Shepherd.
Editor
DVD REVIEWER
The UK's BIGGEST Online DVD Magazine
http://www.dvd.reviewer.co.uk
For a copy of my Public PGP key, email: pgp@robertsworld.org.uk
