Re: Fix around conn_duration in pgbench

>> Ok. That makes sense. The output reports "including connections 
>> establishing" and "excluding connections establishing" regardless with 
>> -C, so we should measure delays in the same way.
>
> On second thought, it's more reasonable and less confusing not to
> measure the disconnection delays at all? Since whether the benchmark result
> should include the disconnection delays or not is not undocumented,
> probably we cannot say strongly the current behavior (i.e., the disconnection
> delays are not measured) is a bug. Also since the result has not included
> the disconnection delays so far, the proposed change might slightly change
> the benchmark numbers reported, which might confuse the users.
> ISTM that at least it's unwise to change long-stable branches for this... 
> Thought?

My 0.02€: From a benchmarking perspective, ISTM that it makes sense to 
include disconnection times, which are clearly linked to connections, 
especially with -C. So I'd rather have the more meaningful figure even at 
the price of a small change in an undocumented feature.

-- 
Fabien.