Re: 7.2 is slow?

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Hannu Krosing <hannu@tm.ee>
Cc: Tatsuo Ishii <t-ishii@sra.co.jp>, pgsql-hackers@postgresql.org
Date: 2001-12-21T16:00:01Z
Lists: pgsql-hackers
Hannu Krosing <hannu@tm.ee> writes:
> in order to measure real performance of roughly the _same_ dataset each
> test run did the same total number of transactions 512 with each client 
> doing 512/nr_of_trx.

That means you're only measuring a few transactions per backend (as few
as 4, near the upper end of the scale).  I think the results may say
more about backend-startup transients than true peak throughput.
Could you try it again with a run about ten times that long?

			regards, tom lane