Re: Disk bottleneck

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Author: Jonathan Hohle
Date:  
To: plug-discuss
Subject: Re: Disk bottleneck
sorry, hadn't tried it myself, the logic was sound, though.

Jon
<><

On Thu, 16 Sep 2004 11:43:06 -0700, Bill Warner <> wrote:
> On Thu, 2004-09-16 at 10:58, Jeremy C. Reed wrote:
> > On Thu, 16 Sep 2004, Bill Warner wrote:
> >
> > > This doesn't seem to work for me. I use cp -a, and dropped the v from
> > > the tar to suppress output. here is the outputs of the two different
> > > commands:
> > >
> > > wwarner:/usr# cd
> > > wwarner:~# cd /usr
> > > wwarner:/usr# du -sh lib
> > > 673M    lib
> > > wwarner:/usr# time cp -a lib /tmp

> > >
> > > real    2m59.519s
> > > user    0m0.129s
> > > sys     0m4.279s
> > > wwarner:/usr# rm -rf /tmp/lib
> > > wwarner:/usr# time tar -cf - lib | tar -C /tmp -xf -

> > >
> > > real    3m2.839s
> > > user    0m0.362s
> > > sys     0m5.703s

> >
> > You say it didn't work for you. But you didn't show us that it didn't
> > work. It appears like it did work.
>
> OK, to varying degrees of worked. If you mean by worked the files
> copied, then yes it worked, I ment the cp was faster than the tar,
> opposite of what the original claimed.
>
>
>
> --
> Bill Warner <>
>
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--
Jon
<><
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