Building file list takes hours,how to improve performance?

[woo robbin]

But the USB drive is the target,could it affect the performance of building
file list process?I just plugged the USB drive to the host and copy and
paste to do a full backup last time,it seems it's more effective than rsync
to check updating.

2006/11/1, Jan-Benedict Glaw <jbglaw at lug-owl.de>:
>
> On Wed, 2006-11-01 22:01:07 +0800, woo robbin <robbinwooo at gmail.com>
> wrote:
> > I've backed up some files(about 20G,with many subdirectories and files)
> a
> > months ago to an USB drive,and I use rsync to check if there are
> > changes.After the process,I checked the log file and found no update
> > needed.But the stats said:
> >
> > Number of files: 61775
> > Number of files transferred: 0
> > Total file size: 24169314260 bytes
> > Total transferred file size: 0 bytes
> > Literal data: 0 bytes
> > Matched data: 0 bytes
> > File list size: 2260510
> > File list generation time: 8631.470 seconds
> > File list transfer time: 0.000 seconds
>
> Well, the USB stuff tends to be slow. And untuned filesystems are
> that, too. If it's ext3, you'd play with the dir_index flag.
>
> MfG, JBG
>
> --
>      Jan-Benedict Glaw      jbglaw at lug-owl.de              +49-172-7608481
> Signature of:           Ich hatte in letzter Zeit ein bißchen viel
> Realitycheck.
> the second  :               Langsam möchte ich mal wieder weiterträumen
> können.
>
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