Re: [GENERAL] Massive performance differences

2005-03-15 Thread Scott Marlowe
On Tue, 2005-03-15 at 12:18, Ragnar Hafstaƃ wrote: > On Tue, 2005-03-15 at 18:10 +0100, Andreas Hartmann wrote: > > > explain analyze select * from veranstaltung_original order by semester; > > > > Sort (cost=3054.08..3067.74 rows=5467 width=223) (actual > > time=2568.10..2573.02 rows=5467 lo

Re: [GENERAL] Massive performance differences

2005-03-15 Thread Ragnar Hafstaư
On Tue, 2005-03-15 at 18:10 +0100, Andreas Hartmann wrote: > explain analyze select * from veranstaltung_original order by semester; > > Sort (cost=3054.08..3067.74 rows=5467 width=223) (actual > time=2568.10..2573.02 rows=5467 loops=1) > Sort Key: semester > -> Seq Scan on veranstal

Re: [GENERAL] Massive performance differences

2005-03-15 Thread Scott Marlowe
On Tue, 2005-03-15 at 11:10, Andreas Hartmann wrote: > Hi all, > > I'm running the same database on two systems: > > A) Debian PostgreSQL 7.4.7 > B) SuSE PostgreSQL 7.3.4 > > Both machines have approx. 1GHz and 1GB RAM. > The amount of data is almost equal (+- 10%). But I'm facing > huge perfo

Re: [GENERAL] Massive performance differences

2005-03-15 Thread Andreas Hartmann
Andreas Hartmann wrote: Hi all, I'm running the same database on two systems: A) Debian PostgreSQL 7.4.7 B) SuSE PostgreSQL 7.3.4 Both machines have approx. 1GHz and 1GB RAM. The amount of data is almost equal (+- 10%). But I'm facing huge performance differences. For instance, a simple sequentia

[GENERAL] Massive performance differences

2005-03-15 Thread Andreas Hartmann
Hi all, I'm running the same database on two systems: A) Debian PostgreSQL 7.4.7 B) SuSE PostgreSQL 7.3.4 Both machines have approx. 1GHz and 1GB RAM. The amount of data is almost equal (+- 10%). But I'm facing huge performance differences. For instance, a simple sequential scan results in the fo