BackupPC-users

Re: [BackupPC-users] Anyone with experience of MS-SQL database dumps?

2009-09-05 21:12:06
Subject: Re: [BackupPC-users] Anyone with experience of MS-SQL database dumps?
From: dan <dandenson AT gmail DOT com>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Sat, 5 Sep 2009 19:09:13 -0600


On Sun, Aug 30, 2009 at 2:13 PM, Jeffrey J. Kosowsky <backuppc AT kosowsky DOT org> wrote:
dan wrote at about 14:00:43 -0600 on Sunday, August 30, 2009:
 > I personally think that using ssh compression is the better method.  I say
 > this because running rsync through ssh encrypts the data and compresses
 > it(optionally).  Unless you plan to run rsync in the clear then the built in
 > compression isnt needed.

ssh adds overhead with its encryption. Of course, I was referring to
the case when you are comfortable running rsync/rsyncd in the clear.

sure ssh adds some overhead, but how much are you talking and where?  It is really just adding cpu overhead as ssh's compression more than compensates for added data transmitted between hosts.

to reduce the encryption overhead you could do ssh -c blowfish which is much faster (10x) than the default cypher of 3des.
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