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

Reply via email to