vacuum tip question

[Joost Kraaijeveld <J(dot)Kraaijeveld(at)Askesis(dot)nl>]

Hi,

I am using auto-vacuum (autovacuum = on) but sometimes PGAdmin warns me
that I need to enable autovacuum or do it manually.

How does PgAdmin determine that it is necessary to run vacuum?

TIA

-- 
Groeten,

Joost Kraaijeveld
Askesis B.V.
Molukkenstraat 14
6524NB Nijmegen
tel: 024-3888063 / 06-51855277
fax: 024-3608416
web: www.askesis.nl