BackupPC-users

Re: [BackupPC-users] Newbie setup questions

2011-03-14 01:18:33
Subject: Re: [BackupPC-users] Newbie setup questions
From: "Jeffrey J. Kosowsky" <backuppc AT kosowsky DOT org>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Mon, 14 Mar 2011 01:15:59 -0400
Les Mikesell wrote at about 11:48:36 -0500 on Sunday, March 13, 2011:
 > On 3/11/11 11:27 AM, Cesar Kawar wrote:
 > >
 > > I know that is "only" to process 800,000 files, but with version 3.0.0 and 
 > > later, it doesn't load all the files at once. With a 512 Mb computer 
 > > you'll be fine, but in the particular installation I was talking before, 1 
 > > Tb of data comprised of 1 year of historical data (that means a really big 
 > > number of hardlink per file), the syncing process takes almost 100% CPU on 
 > > an Intel Xeon Quad Core for about 2 hours.
 > >
 > 
 > Are you sure this was a single run that included the directory above the 
 > pool/cpool and pc directories (so it sees all the hardlink targets at once) 
 > and 
 > had the -H option?
 > 

That's what I keep asking -- elsewhere Cesar mentions 2 *billion*
files. So backing up 2 *billion* files comprising 1TB data on a
machine with just 4GB memory in 2 hours just seems like orders of
magnitude faster than what everybody else has experienced. And I don't
see how even a Quad Xeon can explain that difference.

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