On 18 March 2016 at 00:13, Julien Rouhaud <julien.rouh...@dalibo.com> wrote:
> With the current threshold, you need a table bigger than 8 MB to be able
> to force parallel workers. I'm not sure there'll be benefits for
> multiple workers on a table smaller than 8 MB, since setting up all the
> parallel stuff takes time.

It would be really nice if it were possible to drop the setting really
low, so that combined with a low parallel_setup_cost we could enable
parallel query on small tables in the regression test suite.

 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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