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From: Jeff Davis <[email protected]>
To: [email protected]
Cc: PgSQL General List <[email protected]>
Subject: Re: postgresql 8.0 advantages
Date: Sat, 26 Feb 2005 01:27:55 -0800
Message-ID: <1109410075.4089.216.camel@jeff> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>

On Fri, 2005-02-25 at 09:20 -0800, Si Chen wrote:
> Thanks!
> 
> Is there any documentation on how to upgrade to 8.0?
> 
> Is it possible to upgrade from 7.4 to 8.0 while keeping a production 
> database running "in place"?  Or should I install 8.0 in another 
> directory/machine and then restore the database into it?  Are there any 
> incompatibilities/modifications to databases from the earlier veresion 
> required?
> 

You might want to check out Slony-I <http://www.slony.info; for the
purpose of upgrading. Slony is actually a replication engine, but it can
be used to upgrade with little or no downtime. Otherwise, just
dump/upgrade/restore like normal.

As far as compatibility, 8.0 should be mostly backwards compatible.
There may be some minor things that I don't know about, so I recommend
some testing first.

Regards,
	Jeff Davis

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