Re: [HACKERS] PG 10 release notes - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: [HACKERS] PG 10 release notes
Date
Msg-id 20170425033742.GG7513@momjian.us
Whole thread Raw
In response to Re: [HACKERS] PG 10 release notes  (Andres Freund <andres@anarazel.de>)
Responses Re: [HACKERS] PG 10 release notes  (Andres Freund <andres@anarazel.de>)
Re: [HACKERS] PG 10 release notes  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
On Mon, Apr 24, 2017 at 08:36:00PM -0700, Andres Freund wrote:
> On 2017-04-24 21:31:44 -0400, Bruce Momjian wrote:
> > I have committed the first draft of the Postgres 10 release notes.  They
> > are current as of two days ago, and I will keep them current.  Please
> > give me any feedback you have.
> > 
> > The only unusual thing is that this release has ~180 items while most
> > recent release have had ~220.  The pattern I see that there are more
> > large features in this release than previous ones.
> 
> I think that might also be because you skipped a few things that should
> get their own entries.  I've not yet made a pass through your draft (and
> won't for some days), but a quick search shows the draft to e.g miss:
> b30d3ea824c5ccba43d3e942704f20686e7dbab8 - Add a macro templatized hashtable.
> 75ae538bc3168bf44475240d4e0487ee2f3bb376 - Use more efficient hashtable for tidbitmap.c to speed up bitmap scans.
> 5dfc198146b49ce7ecc8a1fc9d5e171fb75f6ba5 - Use more efficient hashtable for execGrouping.c to speed up hash
aggregation.
> fc4b3dea2950e4f6081f1ed2380f82c9efd672e0 - User narrower representative tuples in the hash-agg hashtable.
> 8ed3f11bb045ad7a3607690be668dbd5b3cc31d7 - Perform one only projection to compute agg arguments.
> (not that this needs to five entries)

I remember seeing those and those are normally details I do not put in
the release notes as there isn't a clear user experience change except
"Postgres is faster".  Yeah, a bummer, and I can change my filter, but
it would require discussion.

--  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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