Date: Fri, 09 Jul 2010 11:06:44 -0400 From: Francisco Reyes <lists@stringsutils.com> To: krad <kraduk@googlemail.com> Cc: Liste FreeBSD <freebsd-questions@freebsd.org> Subject: Re: Global backup solution for FBSD & Ubuntu Message-ID: <cone.1278688004.538071.19447.1000@shelca> References: <A5CD3711-70B2-4A07-836C-268AD11CA5D7@todoo.biz> <cone.1278562211.897929.19447.1000@shelca> <AANLkTikqf9py_0L52J7akXQAD-3FbOYTN5z-zmSxwqkh@mail.gmail.com>
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krad writes: > In my experience dedup requires a fairly large amount of juice so if your > backups are large I hope you machines are big on ram The way tarsnap does it is not that intensive. I have used in an old 900Mhz machine with less than 640MB of RAM and it worked well. I think the program computes some sort of hash for blocks of data and then the server checks to see if it already has that block.
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