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Re: Upgrading from 9.0.3 to latest

From: "Benjamin Krajmalnik" <kraj(at)servoyant(dot)com>
To: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>,"pgsql-admin" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Upgrading from 9.0.3 to latest
Date: 2012-01-18 22:32:00
Message-ID: F4E6A2751A2823418A21D4A160B689888CA71D@fletch.stackdump.local (view raw or flat)
Thread:
Lists: pgsql-admin
If I have never used pg_upgrade, so I believe I do not need to do
anything, correct?


> -----Original Message-----
> From: Kevin Grittner [mailto:Kevin(dot)Grittner(at)wicourts(dot)gov]
> Sent: Wednesday, January 18, 2012 3:28 PM
> To: pgsql-admin; Benjamin Krajmalnik
> Subject: Re: [ADMIN] Upgrading from 9.0.3 to latest
> 
> "Benjamin Krajmalnik" <kraj(at)servoyant(dot)com> wrote:
> 
> > I will be taking down all of our infrastructure to update firmware
> > on the controllers due to a bug affecting BBU (wonderful J ).
> >
> > I was thinking of taking the opportunity and upgrading pg from
> > 9.0.3 (amd64 on Freebsd 8.1) to the latest version 9.0.6.
> 
> That sounds like a good idea.
> 
> > In the release notes for 9.0.6, it mentions:
> >
> > fix bugs in information_schema.referential_constraints view (Tom
> > Lane)
> >
> > Is the dropping and recreation of this mandatory,
> 
> If you don't do it, I don't think you're any worse off than you were
> while at version 9.0.3; you will just not have fixed the view.
> 
> > can it be done at any time while the server is already being
> > pounded with data?
> 
> I would tend to do it as part of the upgrade process.  I don't think
> it take very long to run.  If you do it while queries are running,
> you will get errors if any of them reference the information_schema
> schema, they will get runtime errors on missing objects.
> 
> Probably more important is to make sure that you have considered
> this issue, and taken action if necessary:
> 
> http://wiki.postgresql.org/wiki/20110408pg_upgrade_fix
> 
> -Kevin

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Subject: Re: Upgrading from 9.0.3 to latest
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