| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, John Naylor <jcnaylor(at)gmail(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: MCV lists for highly skewed distributions |
| Date: | 2018-03-01 21:01:38 |
| Message-ID: | 20180301210138.5llbjbm6rjnehzr5@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi Dean,
On 2018-02-07 15:58:14 +0000, Dean Rasheed wrote:
> On 7 February 2018 at 15:25, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> > Do you plan to press forward with this, then, or what's
> > the next step?
> >
>
> Yes, I think the results are pretty good so far, especially for the
> more non-uniform distributions. AFAICS it solves the 2 original
> complaints, and I've not yet seen a case where it makes things worse.
>
> I plan to do more testing (and if anyone else wants to, that would be
> most welcome), and then barring any unexpected issues/objections, I'll
> commit it. Probably not this week though.
This sounds like the patch's status of "waiting on author" isn't right,
and it should more be ready for committer?
Greetings,
Andres Freund
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