Re: Xen 3.4.1 NUMA support

[George Dunlap <george.dunlap@eu.citrix.com>]

I haven't had time to look at NUMA stuff at all.  I probably will look 
at it eventually, if no one else does, but I'd be happy if someone else 
could pursue it.

 -George

Dan Magenheimer wrote:
> VMware has the notion of a "cell" where VMs can be
> scheduled only within a cell, not across cells.
> Cell boundaries are determined by VMware by
> default, though certains settings can override them.
>
> An interesting project might be to implement
> "numa=cell" for Xen.... or maybe something similar
> is already in George Dunlap's scheduler plans?
>
>   
>> -----Original Message-----
>> From: Keir Fraser [mailto:keir.fraser@eu.citrix.com]
>> Sent: Wednesday, November 04, 2009 5:33 AM
>> To: Papagiannis Anastasios; xen-devel@lists.xensource.com
>> Subject: Re: [Xen-devel] Xen 3.4.1 NUMA support
>>
>>
>> Add Xen boot parameter 'numa=on' to enable NUMA detection. 
>> Then it's up to
>> you to, for example, pin domains to specific nodes, using the 
>> 'cpus=...'
>> option in the domain config file. See /etc/xen/xmexample1 for 
>> an example of
>> its usage.
>>
>>  -- Keir
>>
>> On 04/11/2009 12:02, "Papagiannis Anastasios" 
>> <apapag@ics.forth.gr> wrote:
>>
>>     
>>> Hello,
>>>
>>> does the last version of Xen(3.4.1) support NUMA machines? 
>>>       
>> Is there a .pdf
>>     
>>> or a link that can give me some more details about that? I work on a
>>> project for xen performace in numa machines. And in xen 3.3.0 this
>>> performance isn't good. Have something changed in last version?
>>>
>>> Thanks in advance,
>>> Papagiannis Anastasios
>>>
>>>
>>> _______________________________________________
>>> Xen-devel mailing list
>>> Xen-devel@lists.xensource.com
>>> http://lists.xensource.com/xen-devel
>>>       
>>
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