From: h012@ied.com
To: pgsql-sql@postgresql.org
Subject: Re: slowing down too fast - why ?
Date: Sun, 11 Aug 2002 00:36:44 -0400 (EDT)
Message-ID: <no.Yo.N.nN.0208110033050.2280-100000@business.com> (raw)
In-Reply-To: <no.Yo.N.nN.0208110017530.4251-100000@business.com>
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/
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To: pgsql-sql@postgresql.org
Cc: h012@ied.com
Subject: Re: slowing down too fast - why ?
In-Reply-To: <no.Yo.N.nN.0208110033050.2280-100000@business.com>
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