Re: Performance problems testing with Spamassassin 3.1.0
Gavin Sherry <swm@alcove.com.au>
From: Gavin Sherry <swm@alcove.com.au>
To: Matthew Schumacher <matt.s@aptalaska.net>
Cc: pgsql-performance@postgresql.org
Date: 2005-07-29T03:57:15Z
Lists: pgsql-performance
On Thu, 28 Jul 2005, Matthew Schumacher wrote: > Karim Nassar wrote: > > On Wed, 2005-07-27 at 14:35 -0800, Matthew Schumacher wrote: > > > > > >>I put the rest of the schema up at > >>http://www.aptalaska.net/~matt.s/bayes/bayes_pg.sql in case someone > >>needs to see it too. > > > > > > Do you have sample data too? > > > > Ok, I finally got some test data together so that others can test > without installing SA. > > The schema and test dataset is over at > http://www.aptalaska.net/~matt.s/bayes/bayesBenchmark.tar.gz > > I have a pretty fast machine with a tuned postgres and it takes it about > 2 minutes 30 seconds to load the test data. Since the test data is the > bayes information on 616 spam messages than comes out to be about 250ms > per message. While that is doable, it does add quite a bit of overhead > to the email system. I had a look at your data -- thanks. I have a question though: put_token() is invoked 120596 times in your benchmark... for 616 messages. That's nearly 200 queries (not even counting the 1-8 (??) inside the function itself) per message. Something doesn't seem right there.... Gavin