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From: Scott Ribe <scott_ribe@elevated-dev.com>
To: Kevin Grittner <Kevin.Grittner@wicourts.gov>
Cc: [ADMIN] <pgsql-admin@postgresql.org>
Subject: Re: streaming replication
Date: Mon, 7 Nov 2011 10:19:42 -0700
Message-ID: <8CC5F53E-1D02-43DE-8198-D2BB9297173E@elevated-dev.com> (raw)
In-Reply-To: <4EB7BC8B0200002500042AFF@gw.wicourts.gov>
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	<4EB80391.1020809@sesda2.com>
	<4EB7BC8B0200002500042AFF@gw.wicourts.gov>

On Nov 7, 2011, at 10:10 AM, Kevin Grittner wrote:

> If the bottleneck is the network, be sure that you are using a
> daemon on the remote side; otherwise you do drag all the data over
> the wire for any file which doesn't have an identical timestamp and
> size.  An example of how to do that from the rsync man page:
> 
> rsync -av -e "ssh -l ssh-user" rsync-user@host::module /dest
> 
> This will try to identify matching portions of files and avoid
> sending them over the wire.

??? The normal way of using will using rolling checksums rather than sending all the data over the network:

rsync -av rsync-user@host:/source /dest

-- 
Scott Ribe
scott_ribe@elevated-dev.com
http://www.elevated-dev.com/
(303) 722-0567 voice

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