[Xen-devel] Re: Xen Scalability Testing

[Andi Kleen <ak@xxxxxxx>]

"Carb, Brian A" <Brian.Carb@xxxxxxxxxx> writes:

> Since we've been focusing on scalability testing, I'd like to share some
> of our results.
>  
> We've been able to start 200 guest domains under SLES10 and Xen
> Unstable. In one test we successfully started 200 hardware-virtualized
> Win2003 domains, and in a separate test we successfully started 200
> para-virtualized SLES10 domains. In both tests, after 200 guests, the
> host system became unresponsive - no errors were displayed on the serial
> console, 

I guess that shouldn't happen. Any more analysis you did?

> and 'top' and 'xm top' sessions showed that sufficient memory
> was still available.

Perhaps it would be a good idea to use xen oprofile with this test
and see what the bottle necks are.

-Andi

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