I am. I was giving mean numbers
On Wed, Aug 18, 2010 at 12:56 PM, Craig James
<craig_james@emolecules.com> 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
>
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