>>> The use case of the option is to be able to generate a continuous gentle
>>> load for functional tests, eg in a practice session with students or for
>>> testing features on a laptop.
>>
>> If you add this to
>> https://commitfest.postgresql.org/action/commitfest_view?id=18 I'll
>> review it next month. I have a lot of use cases for a pgbench that
>> doesn't just run at 100% all the time.
> As do I - in particular, if time permits I'll merge this patch into my
> working copy of pgbench so I can find the steady-state transaction rate
> where BDR replication's lag is stable and doesn't increase continually.
> Right now I don't really have any way of doing that, only measuring how
> long it takes to catch up once the test run completes.
You can try to use and improve the --progress option in another patch
submission which shows how things are going.
--
Fabien.