[xen-tools] Re: Traffic accouting with xen
steve at steve.org.uk
Sun Aug 20 01:15:19 CEST 2006
On Sun, Aug 20, 2006 at 04:43:36AM +0530, George Cherian wrote:
> So will you be adding this facility any time?
> Isn't this sort of an essential functionality?
Not really. I view xen-tools as being a neat way of setting up
new instances of Xen which can be used for anything you like.
Once they're up and running what you do with them is up to you.
(e.g I create a new instance everytime I try to backport a package
from Sid -> Sarge, to make sure it is unsullied and has nothing that
I don't expect installed.)
Ultimately traffic counting I view as a runtime activity, and
xen-tools I consider a setup activity. There exist multiple
existing solutions for counting traffic from interfaces such
as net-acct, mtrg, and my personal favourite vnstat.
Whilst I've written a few things to manage instances, such as
xen-shell and argo these aren't really full-scale general purpose
pieces of software .. yuet.
> Does argo support this?
There is the ability to see tx/rx data for each instance, but it
does nothing more than parse the output of /proc - to get the same
data as you would find anyway from "ifconfig [interface name]".
Argo needs a rewrite to do more. I'm partway into turning it
into an RPC based service to make clients nicer and easier to
write - CVS has been broken for a while whilst I stalled on it.
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