On Wed, Feb 7, 2018 at 10:20 AM, Dean Rasheed <dean.a.rash...@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
