BackupPC-users

Re: [BackupPC-users] Why is my rsync so much slower to do an incremental backup than tar over ssh?

2009-07-16 16:54:06
Subject: Re: [BackupPC-users] Why is my rsync so much slower to do an incremental backup than tar over ssh?
From: Craig Barratt <cbarratt AT users.sourceforge DOT net>
To: gimili <gimili17 AT gmail DOT com>
Date: Thu, 16 Jul 2009 13:50:05 -0700
gimili writes:

> I switched back from tar to rsync.  It sounds like rsync is far
> superior.  I ran a full backup which took 302 minutes and then an
> incremental which only took 26 minutes.  So it seems like things are
> working now as the incremental was much quicker.  I am not sure what
> happened the first time.  Hopefully it won't happen again.  Thanks!

If you changed settings that affect what is backed up (eg: the share
names, BackupFilesOnly or BackupFilesExclude) after the full but before
the incremental then the incremental will have a lot more work to do.
If you make significant changes it's not a bad idea to manually run
a full backup.

As suggested already, inspecting the XferLOG files will tell you more
about why the first incremental took longer than you expected.

Craig

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