Re: Upgrading from 9.1 to 9.2 in place, same machine

Can anyone speak to the speed of pg_upgrade? Our database is 153GB. From 9.1 to 9.2, I'm nervous it might take hours. If it were less than hour, downtime would be more acceptable.

On Wed, Jul 10, 2013 at 11:08 AM, Jonathan Nalley <jnalley@jnalley.com> wrote:

On Wed, Jul 10, 2013 at 1:53 PM, Wells Oliver <wellsoliver@gmail.com> wrote:

> I have 9.1 running on 5432, and 9.2 running on 5433. The 9.1 database size
> is 153g. 9.1 is actively used by systems, 9.2 is just sitting there empty.
>
> I'd like to move the 9.1 database to 9.2 without any down time, and ensuring
> that no data is lost.
>
> My original idea was to make 9.2 a slave of 9.1, then switch it over.
>
> Is there a better idea? Thanks for any tips.

have you looked at simply using pg_upgrade ?

http://www.postgresql.org/docs/9.2/static/pgupgrade.html


>

> --
> Wells Oliver
> wellsoliver@gmail.com


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--
Wells Oliver
wellsoliver@gmail.com