On Wed, Feb 7, 2018 at 10:20 AM, Dean Rasheed <dean.a.rasheed@gmail.com> wrote:
> One thing this new algorithm does do is improve the user's ability to
> get more MCVs by increasing the stats target. I'm not yet convinced
> there should be a separate knob for the RSE cutoff. For that to be
> useful, there would need to be some data distributions for which 10%
> (say) was clearly better, and some for which 20% was better. So far,
> there doesn't appear to be a massive difference between the two, and
> it's nothing that can't compensated for using the existing stats
> target knob.
Fair enough. Do you plan to press forward with this, then, or what's
the next step?
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
