Re: 9.4 release notes

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: 9.4 release notes
Date: 2014-05-05 13:48:39
Message-ID: 20140505134839.GE29541@momjian.us
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On Mon, May 5, 2014 at 09:23:15AM +0300, Heikki Linnakangas wrote:
> On 05/04/2014 03:46 PM, Bruce Momjian wrote:
> >Auto-resize the catalog cache (Heikki Linnakangas)
> >
> >This reduces memory consumption for backends accessing only a few
> >tables, and improves performance for backend accessing many tables.
>
> Move this to "General performance" section.

OK, moved.

> >Improve spinlock speed on x86_64 CPUs (test on i386?) (Heikki Linnakangas)
>
> I believe this refers to commit b03d196b. The "test on i386" note
> can just be removed. Someone ought to test it on 32-bit i386 to see
> if the same change would be beneficial there, but that's a TODO item
> more than a release notes item. I doubt anyone's interested to spend
> time performance testing spinlocks on 32-bit i386, though, so I
> think we're going to just retain the current situation for the next
> decade.

Agreed. Text removed.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ Everyone has their own god. +

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