Re: [ADMIN] Problem with large table not using indexes (I think)

On Sat, 23 Dec 2006, Benjamin Arai wrote:

> The largest table in my database (30GB) has mysteriously went from taking
> milli-seconds to perform a query to minutes.  This disks are fine and I have
> a 4GB shared_memory.  Could this slow down have to do with the fsm_max_pages
> or something else like that?  I made it larger but the queries still taking a
> long time.  I do daily vacuum's but I don't run it with -z or --full.  I
> would like to avoid doing a --full if possible because it would literally
> take over a week to complete.  Any help would be greatly appreciated.

Benjamin,

When is the last time you ran ANALYZE?  That's what the -z option does.  If
you're only vacuuming once daily, you should definitely analyze with the -z
flag as well.

--
Jeff Frost, Owner     <jeff@frostconsultingllc.com>
Frost Consulting, LLC     http://www.frostconsultingllc.com/
Phone: 650-780-7908    FAX: 650-649-1954