Re:

"Shridhar Daithankar" <shridhar_daithankar@persistent.co.in> writes:

> On 18 Oct 2002 at 15:58, stephane tessier wrote:
> 
> > i have a problem withindex in pgsql 7.2.1(i think it's indexes the
> > problem). I insert a lot of records in a table and delete in a
> > ratio of 1:5... When I do request on this table..it's working fine
> > for 10-12 hours but after it's very slow (10-15 minutes) but when
> > I delete the indexes and recreate it.. it's ok for 10-12 hours
> > again.. it's a live db 24/7... I cannot stop the db often...
> > process insert record all the time...  have idea? pgsql problem?
> 
> You should do a vacuum analyze the db often. Something like for each 5000 
> deletes+insert. Put it in a cron job if required.

He should probably also REINDEX the database every night, since VACUUM
doesn't handle all types of index growth.

-Doug