BackupPC-users

Re: [BackupPC-users] One server takes too long to backup

2009-09-11 14:00:06
Subject: Re: [BackupPC-users] One server takes too long to backup
From: "Jeremy Mann" <jeremy AT biochem.uthscsa DOT edu>
To: "Dan Pritts" <danno AT internet2 DOT edu>
Date: Fri, 11 Sep 2009 12:56:56 -0500 (CDT)
Dan Pritts wrote:

> if you're using rsync as the transport, rsync memory requirement
> scales with the number of files.  if rsync is swapping on the backup
> client,
> that won't be good.  So splitting it could help.
>
> however, it'd be a lose if multiple jobs tried to run in parallel to
> this same backup client.

I figured something like this was happening because any time it is in the
backup rotation, rsync starts using all 2GB of memory and about 3GB of
swap. So this in effect slows everything else down. I was actually shocked
when I came in this morning and saw all 28 servers were done.


-- 
Jeremy Mann
jeremy AT biochem.uthscsa DOT edu

University of Texas Health Science Center
Bioinformatics Core Facility
http://www.bioinformatics.uthscsa.edu
Phone: (210) 567-2672


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