Re: Why so slow?

["Bealach-na Bo" <bealach_na_bo(at)hotmail(dot)com>]

> The above shows that the indexes contained 10M rows and 160M of dead
> space each. That means you weren't vacuuming nearly enough.

How is it that a row in the table can grow to a size far exceeding the sum 
of the maximum sized of the fields it consists of?

> 13M dead rows, and the table is 1.4M pages, or 11GB. No wonder it's
> slow.

I had  a look at the disk files and they are HUGE indeed.

> You need to run a vacuum full, and then you need to vacuum far more
> often. If you're running 8.1, turn on autovacuum and cut each default
> scale factor in half, to 0.2 and 0.1.

I'm not runing 8.1. Is there a way of doing this in 8.0 or do I need to 
write a shell script + cron job?

Regards,

Bealach