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From: Jasen Betts <jasen@xnet.co.nz>
To: pgsql-admin@postgresql.org
Subject: Re: Migrating a live database
Date: 18 Jan 2011 11:32:16 GMT
Message-ID: <ih3to0$ogv$1@reversiblemaps.ath.cx> (raw)
References: <58123383-B024-48E8-B863-651E455A3861@vincorex.ch>

On 2011-01-18, Vladislav Geller <vladislav.geller@vincorex.ch> wrote:
> Hello,
>
> I'm currently in the process of migrating a huge live database from
> one part of the world to the other (for local use and data analysis).
> The bandwidth does not allow me to get a decent transfer speed.
> Furthermore i can not migrate during business hours since the
> connection is critical. This leaves me with a timeframe of 9 hours a
> day where i can migrate this database. Does anyone have experience he
> is willing to share in respect how to migrate such databases?        

how about using replication?

eg: slony1 or wal-shipping

compression will help too, but I assume you're already doing that.




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