> I'm using Postges to log certain customer activities on our web site - > logins, things like that. I vacuum once a night. Now the database has > grown quite large, the main table alone is 180 Mb. It contains lots and > lots of small rows. > That is a very small database. :) > Anyway, a few minutes ago I ran a single query. After it finished, I > noticed that the CPU usage had dropped dramatically. Like from a load > average of about 5 to about 0.8. Now I'm wondering if the query I ran > was the cause of this. Will postgres slow down if the only operations > being performed are inserts? > What indexes do you have on the table? Having lots of indexes could slow down inserts, but speed up queries. If you don't have any indexes, a query against a 180 meg table could take a while, particularly if you have less then 180 megs of ram. jesse ************