I am. I was giving mean numbers On Wed, Aug 18, 2010 at 12:56 PM, Craig James <craig_james@xxxxxxxxxxxxxx> wrote: > On 8/18/10 12:24 PM, Samuel Gendler wrote: >> >> With barriers off, I saw a transaction rate of about 1200. With >> barriers on, it was closer to 1050. The test had a concurrency of 40 >> in both cases. > > I discovered there is roughly 10-20% "noise" in pgbench results after > running the exact same test over a 24-hour period on a machine with no other > activity. Be sure you run your tests enough times to get good statistics > unless you're looking at much larger differences. > > Craig > > -- > Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-performance > -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance