AW: Re: Re: AW: Re: [Xen-devel] AW: Load increase after memory upgrade?

["Carsten Schiers" <carsten@xxxxxxxxxx>]

>a). What is the version of Dom0? Are you swapping that out? If so, and 
you
>want the latests then the next step is to do:

Dom0 is jeremy's git xen/stable-2.6.32.x in 64 Bit. DomUs are 32 Bit. 
Shall I 
experimently change that to what you recommended?


>c). If you want to see if the fault here lies in the bounce buffer 
being used more
>often in the DomU b/c you have 8GB of memory now and you end up using 
more pages
>past 4GB (in DomU), I can cook up a patch to figure this out. But an 
easier way is
>to just do (on the Xen hypervisor line): mem=4G and that will make 
think you only have
>4GB of physical RAM.  If the load comes back to the normal "amount" 
then the likely
>culprit is that and we can think on how to fix this.

So I will reboot with the a.m. parameter, but that's not possible right 
now. I 
will keep you informed. Eventually I can combine that with the test a) 
on Thursday.

Carsten.


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