Re: pgsql: Fix a couple of bugs in MultiXactId freezing

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От Andres Freund
Тема Re: pgsql: Fix a couple of bugs in MultiXactId freezing
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Msg-id 20131203171047.GD19016@awork2.anarazel.de
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Ответ на Re: pgsql: Fix a couple of bugs in MultiXactId freezing  (Andres Freund <andres@2ndquadrant.com>)
Ответы Re: pgsql: Fix a couple of bugs in MultiXactId freezing
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Hi Alvaro, Noah,


On 2013-12-03 15:57:10 +0100, Andres Freund wrote:
> On 2013-12-03 09:48:23 -0500, Tom Lane wrote:
> > Andres Freund <andres@2ndquadrant.com> writes:
> > > On 2013-12-03 00:47:07 -0500, Noah Misch wrote:
> > >> The test spec additionally
> > >> covers a (probably-related) assertion failure, new in 9.3.2.
> > 
> > > Too bad it's too late to do anthing about it for 9.3.2. :(. At least the
> > > last seems actually unrelated, I am not sure why it's 9.3.2
> > > only. Alvaro, are you looking?
> > 
> > Is this bad enough that we need to re-wrap the release?
> 
> Tentatively I'd say no, the only risk is loosing locks afaics. Thats
> much bettter than corrupting rows as in 9.3.1. But I'll look into it in
> a bit more detail as soon as I am of the phone call I am on.

After looking, I think I am revising my opinion. The broken locking
behaviour (outside of freeze, which I don't see how we can fix in time),
is actually bad.
Would that stop us from making the release date with packages?

Greetings,

Andres Freund

-- Andres Freund                       http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training &
Services



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