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Re: [BackupPC-users] backuppc slow rsync speeds
2012-09-18 11:06:07
Tim Fletcher <tim AT night-shade.org DOT uk> wrote on
09/17/2012 08:50:39 AM:
> You are being hit by disk io speeds, check you dont have atime
> turned on on the fs.
I agree that noatime is a net win for *very* little
pain. I found a system where I had not mounted the datastore noatime
and swiched it. In my case, while it made a difference, it wasn't
monumental:
With atime: 769 minutes for 675677MB.
With noatime: 609 minutes for 648224MB.
So, a 21% improvement. I'll take it, but it's
not going to get my 3.5 day backups under 12 hours! :)
> Also it's worth considering tar instead of
> rsync for this sort of work load.
I still have this on the (very) back burner. It's
a Windows system, so I'm looking at SMB, and I *hate* backups over SMB.
They are nothing but a problem.
Tim Massey
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