Re: [Xen-users] performance problems

["Eric S. Johansson" <esj@xxxxxxxxxx>]

Per Andreas Buer wrote:
> Eric S. Johansson skrev:
>
> > running a chgrp -R over a series of directories on an LVM partition
> >  and I noticed that it was taking forever.  So I ran vmstat (sorry
> >  about the line wrapping) and found that it was spending roughly 99
> >  percent to 100 percent of the time waiting for (disk??) io.
>
> Why is this a bad thing? Does the CPU have anything else to spend its
>  time on? This sound normal to me. You might also want to tell us how
>  this is relevant to Xen. :-)
10x slower than a non xen machine and it just crashed+rebooted my xen
setup.  relevent enough??  ;-)


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