On 2016-06-16 20:14, Tom Lane wrote:
> As of HEAD you can exercise quite a lot of parallel query behavior
> by running the regression tests with these settings applied:
>
> force_parallel_mode = regress
> max_parallel_workers_per_gather = 2 -- this is default at the moment
> min_parallel_relation_size = 0
> parallel_setup_cost = 0
> parallel_tuple_cost = 0
>
> This results in multiple interesting failures, including a core dump
> I saw another previously-unreported problem before getting to the crash:
> Haven't tried to trace that one down yet.
As I expected, I'm unable to reproduce anything of the above - please
correct me if I'm wrong, but it all seems to have been fixed.