Zoltan Boszormenyi wrote: > Tom Lane írta: >> It's hard to see how anyone could be doing 6K xacts/sec unless most are >> read-only. > > In a recent stress test with our PostgreSQL-based cluster between two > machines > 3 million transaction were performed with "pgbench -c 150 -t 20000 -s 200" > in about _ten hours_. The primary machine (desktop-level machine for > development) > used a real disk, the secondary used tmpfs as PGDATA. Say whatever you want > about my disk lying about flush, its 75MB/sec transfer rate transfer > rate is real. > So 5 million "real" transaction in 24 hours is not unrealistic.
6k xacts / s is five *hundred* million transactions, not five million... -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match