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From: Joshua Drake <jd@commandprompt.com>
To: Carol Walter <walterc@indiana.edu>
Cc: pgsql-admin@postgresql.org
Subject: Re: 32 to 64 bit change over
Date: Tue, 26 Aug 2008 12:17:50 -0700
Message-ID: <20080826121750.79df32aa@jd-laptop> (raw)
In-Reply-To: <2CBF0BBA-6E81-4939-A584-9179F37F4BB6@indiana.edu>
References: <2CBF0BBA-6E81-4939-A584-9179F37F4BB6@indiana.edu>

On Tue, 26 Aug 2008 15:13:27 -0400
Carol Walter <walterc@indiana.edu> wrote:

> Greetings, one and all,
> 
> I have some very large memory bound queries being run in postgres.   
> The documentation seems to say that I would be able to get more use  
> out of the available memory if I were running the 64 bit postgres  
> instead of the current 32 bit.  We have the binaries for both.  What  
> would be the ramifications to changing from the 32 bit to the 64 bit  
> process?

You have to dump and reload or use something like Slony to transfer
your data to the new cluster.

Joshua D. Drake

> 
> Thanks,
> Carol
> 


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