Date: Sun, 11 Aug 2002 00:36:44 -0400 (EDT)
From: h012@ied.com
To: pgsql-sql@postgresql.org
Subject: Re: slowing down too fast - why ?
In-Reply-To: <no.Yo.N.nN.0208110017530.4251-100000@business.com>
Message-ID: <no.Yo.N.nN.0208110033050.2280-100000@business.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII


 and I forgot to mention that my stats are available at:
http://John.Vicherek.com/slow/times.query.txt

  John

On Sun, 11 Aug 2002 h012@ied.com wrote:

> 
>  
>  Hi,
> 
>   I must be doing something silly. I have a 900MHz, 384MB RAM, and
> this thing is slow.  (Postgresql-7.1.2).
> 
>  And growing exponencially slower.
> 
> SQL: http://John.Vicherek.com/slow/schema.sql (save to /tmp/schema.sql)
> am.dat: http://John.Vicherek.com/slow/am.dat   (save to /tmp/am.dat )
> perl: http://John.Vicherek.com/slow/rpm2filerian.pl (save to /tmp/rpm2filerian.pl)
> 
> when I do :
> 
> createdb filerian
> psql -d filerian -f /tmp/schema.sql
> echo 'create table times (the_moment datetime, the_number int4);' | psql -d filerian
> cd /tmp/mdk/8.2/i586/Mandrake/RPMS # lots of RPMs here
> while sleep 10 ; do echo 'insert into times values( now(), count(file.id));' | psql -d filerian ; done 2>&1 >/dev/null  &
> for i in *.rpm ; do echo $i ; perl /tmp/rpm2filerian.pl 0 $i ; done
> 
> 
>  Why are the times so bad ? Why is it slowing so fast ?
> 
> Am I missing any useful indeces ?
> 
>  This shows the slowage:
> select the_number,min(the_moment) from times group by the_number;
> 
> PS: if you look in the perl code for "exec", immediatelly above will you
> find the query it is doing.
> 
>    Thanx,
> 
>       John
> 
> 
> 
> 
> 

-- 
-- Gospel of Jesus is the saving power of God for all who believe --
               ## To some, nothing is impossible. ##
                     http://Honza.Vicherek.com/