Re: Freeze avoidance of very large table.

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Petr Jelinek <petr(at)2ndquadrant(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Greg Stark <stark(at)mit(dot)edu>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
Subject: Re: Freeze avoidance of very large table.
Date: 2015-10-21 00:35:31
Message-ID: CANP8+jJaADYEt1SXpKR2c13qTc_MpVJTSG0guMrXgEM8zxffMA@mail.gmail.com
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On 9 October 2015 at 15:20, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:

> On Thu, Oct 8, 2015 at 1:52 PM, Andres Freund <andres(at)anarazel(dot)de> wrote:
> > I don't see the problem? I mean catversion will reliably tell you which
> format the vm is in?
>
> Totally agreed.
>

This isn't an agreement competition, its a cool look at what might cause
problems for all of us.

If we want to avoid bugs in future then we'd better start acting like that
is actually true in practice.

Why should we wave away this concern? Will we wave away a concern next time
you personally raise one? Bruce would have me believe that we added months
onto 9.5 to improve robustness. So lets actually do that. Starting at the
first opportunity.

--
Simon Riggs http://www.2ndQuadrant.com/
<http://www.2ndquadrant.com/>
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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