Re: 8.0.2beta1

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Cristian Prieto <cristian(at)clickdiario(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: 8.0.2beta1
Date: 2005-03-30 06:36:45
Message-ID: 200503300636.j2U6ajE22883@candle.pha.pa.us
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Sorry, I have been in Boston since Sunday and return home tomorrow and
will then try to get the release notes done unless someone else gets to
it first.

---------------------------------------------------------------------------

Tom Lane wrote:
> "Cristian Prieto" <cristian(at)clickdiario(dot)com> writes:
> > What are the differences, bugfixes, features, etc in the 8.0.2beta1? I =
> > was looking around and I couldn't find anything related... Could =
> > somebody help me?
>
> Unfortunately we haven't prepared release notes yet. If you want to do
> testing, what I would look for is performance changes. The main stuff
> in 8.0.2 (other than bugfixes for very specific bugs) is:
>
> * Replace ARC buffer management algorithm by 2Q to avoid pending IBM patent.
> Testing so far says this causes a few percent degradation in some
> cases and no visible impact in others. We'd be interested to hear
> more reports.
>
> * Planner tweaks to avoid bad side-effects of the 8.0 change that made
> the planner use the current physical table size instead of what
> pg_class.relpages says. That's usually a win but caused problems if
> a plan is cached when the table is first created (and so is empty).
>
> regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 7: don't forget to increase your free space map settings
>

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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