Re: pgbench --latency-limit option

On Wed, Dec 23, 2015 at 11:23 AM, Fabien COELHO <coelho@cri.ensmp.fr> wrote:
>>> Probably no skips though, because the response time needed is below 5
>>> *seconds*, not ms : 2 tps on 10 connections, 1 transaction every 5
>>> seconds
>>> for each connection.
>>
>> Oops.  Right.  But why did this test only run 16 transactions in total
>> instead of 20?
>
> Because the schedule is based on a stochastic process, transactions are not
> set regularly (that would induce patterns and is not representative of
> real-life load) but randomly.
>
> The long term average is expected to converge to 2 tps, but on a short run
> it may differ significantly.

Hmm.  Is that documented somewhere?

-- 
Robert Haas
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