Re: [HACKERS] PG 10 release notes

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От Bruce Momjian
Тема Re: [HACKERS] PG 10 release notes
Дата
Msg-id 20170425174802.GY7513@momjian.us
обсуждение исходный текст
Ответ на Re: [HACKERS] PG 10 release notes  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Tue, Apr 25, 2017 at 01:44:09PM -0400, Tom Lane wrote:
> Bruce Momjian <bruce@momjian.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@momjian.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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