From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: PG 10 release notes |
Date: | 2017-04-25 17:48:02 |
Message-ID: | 20170425174802.GY7513@momjian.us |
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Thread: | |
Lists: | pgsql-hackers |
On Tue, Apr 25, 2017 at 01:44:09PM -0400, Tom Lane wrote:
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > On Tue, Apr 25, 2017 at 10:00:52AM -0700, Andres Freund wrote:
> >> at this point, you can see, we've squarely left O(N) country, and
> >> entered the vast O(N^2) waste.
>
> > OK, I got it now. :-) Here is the new item:
>
> > Improve table creation speed in sessions that reference many
> > relations (Aleksander Alekseev)
>
> That's not specifically about table creation. How about
>
> Reduce statistics tracking overhead in sessions that reference
> many thousands of relations (Aleksander Alekseev)
>
> I think it is fair, based on Andres' example, to quantify this as not
> being of much interest till you get to thousands of relations. But
> it would matter for any action that creates a statistics report,
> whether it be scans, inserts, updates, deletes ...
OK, text updated.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ As you are, so once was I. As I am, so you will be. +
+ Ancient Roman grave inscription +
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