Robert Haas wrote:
> On Thu, Sep 15, 2016 at 9:59 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> > Possibly we ought to change things so that the default value of
> > min_parallel_relation_size is a fixed number of bytes rather
> > than a fixed number of blocks. Not sure though.
>
> The reason why this was originally reckoned in blocks is because the
> data is divided between the workers on the basis of a block number.
Maybe the solution is to fill the table to a given number of blocks
rather than a number of rows.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
