Re: Postgres becoming slow, only full vacuum fixes it

From: Igor Neyman <ineyman(at)perceptron(dot)com>
To: Thomas Kellerer <spam_eater(at)gmx(dot)net>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Postgres becoming slow, only full vacuum fixes it
Date: 2012-10-01 14:09:25
Message-ID: A76B25F2823E954C9E45E32FA49D70EC08EB681C@mail.corp.perceptron.com
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> -----Original Message-----
> From: Thomas Kellerer [mailto:spam_eater(at)gmx(dot)net]
> Sent: Tuesday, September 25, 2012 7:24 AM
> To: pgsql-performance(at)postgresql(dot)org
> Subject: Re: Postgres becoming slow, only full vacuum fixes it
>
> Kiriakos Tsourapas, 25.09.2012 13:01:
> > Thank you,
> >
> > I will take this into consideration, since upgrading to 9 will be
> much harder I assume...
> >
>
> I think an upgrade from 8.3 to 8.4 was "harder" due to the removal of a
> lot of implicit type casts.
> 8.4 to 9.x shouldn't be that problematic after all (but will take
> longer due to the required dump/reload)
>

Actually, 8.3 to 8.4 required db dump/restore.
When upgrading from 8.4 to 9.x pg_upgrade could be used without dump/restore.

Regards,
Igor Neyman

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