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Re: Upgrading from 9.0.3 to latest

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "pgsql-admin" <pgsql-admin(at)postgresql(dot)org>, "Benjamin Krajmalnik" <kraj(at)servoyant(dot)com>
Subject: Re: Upgrading from 9.0.3 to latest
Date: 2012-01-18 22:28:08
Message-ID: 4F16F3180200002500044986@gw.wicourts.gov (view raw or flat)
Thread:
Lists: pgsql-admin
"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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