"Josh Berkus" <[EMAIL PROTECTED]> writes: > Greg, > >> What I was referring to by "passing" TPC-E was the criteria for a conformant >> benchmark run. TPC-C has iirc, only two relevant criteria: "95th percentile >> response time < 5s" and "average response time < 95th percentile response >> time". You can pass those even if 1 transaction in 20 takes 10-20s which is >> more than enough to cover checkpoints and other random sources of >> inconsistent >> performance. > > We can do this now. I'm unhappy because we're at about 1/4 of Oracle > performance, but we certainly pass -- even with 8.2.
We certainly can pass TPC-C. I'm curious what you mean by 1/4 though? On similar hardware? Or the maximum we can scale to is 1/4 as large as Oracle? Can you point me to the actual benchmark runs you're referring to? But I just made an off-hand comment that I doubt 8.2 could pass TPC-E which has much more stringent requirements. It has requirements like: the throughput computed over any period of one hour, sliding over the Steady State by increments of ten minutes, varies from the Reported Throughput by no more than 2% -- Gregory Stark EnterpriseDB http://www.enterprisedb.com Ask me about EnterpriseDB's Slony Replication support! -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
