On 9/23/06, Dave Cramer <pg@xxxxxxxxxxxxx> wrote:
1) The database fits entirely in memory, so this is really only testing CPU, not I/O which should be taken into account IMO
I don't think this really is a reason that MySQL broke down on ten or more concurrent connections. The RAM might be, but I don't think so too in this case as it represents exactly what we have seen in similar tests. MySQL performs quite well on easy queries and not so much concurrency. We don't have that case very often in my company ... we have at least ten to twenty connections to the db performing statements. And we have some fairly complex statements running very often. Nevertheless - a benchmark is a benchmark. Nothing else. We prefer PostgreSQL for other reasons then higher performance (which it has for lots of situations). cug -- PostgreSQL Bootcamp, Big Nerd Ranch Europe, Nov 2006 http://www.bignerdranch.com/news/2006-08-21.shtml
