From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
Cc: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, 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>, 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>, Greg Stark <stark(at)mit(dot)edu>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Freeze avoidance of very large table. |
Date: | 2015-11-30 17:58:43 |
Message-ID: | 20151130175843.GA19371@momjian.us |
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Lists: | pgsql-hackers |
On Mon, Nov 30, 2015 at 10:48:04PM +0530, Masahiko Sawada wrote:
> On Sun, Nov 29, 2015 at 2:21 AM, Jeff Janes <jeff(dot)janes(at)gmail(dot)com> wrote:
> > On Tue, Nov 24, 2015 at 3:13 PM, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
> >>
> >> Yeah, we need to consider to compute checksum if enabled.
> >> I've changed the patch, and attached.
> >> Please review it.
> >
> > Thanks for the update. This now conflicts with the updates doesn to
> > fix pg_upgrade out-of-space issue on Windows. I've fixed (I think) the
> > conflict in order to do some testing, but I'd like to get an updated
> > patch from the author in case I did it wrong. I don't want to find
> > bugs that I just introduced myself.
> >
>
> Thank you for having a look.
I would not bother mentioning this detail in the pg_upgrade manual page:
+ Since the format of visibility map has been changed in version 9.6,
+ <application>pg_upgrade</> creates and rewrite new <literal>'_vm'</literal>
+ file even if upgrading from 9.5 or before to 9.6 or later with link mode (-k).
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ As you are, so once was I. As I am, so you will be. +
+ Roman grave inscription +
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