On 02/02/2015 11:00 AM, Sahid Orentino Ferdjaoui wrote:
On Mon, Feb 02, 2015 at 10:44:09AM -0600, Chris Friesen wrote:

I'm trying to make use of huge pages as described in
I'm running kilo as of Jan 27th.
I've allocated 10000 2MB pages on a compute node.  "virsh capabilities" on that 
node contains:

       <cells num='2'>
         <cell id='0'>
           <memory unit='KiB'>67028244</memory>
           <pages unit='KiB' size='4'>16032069</pages>
           <pages unit='KiB' size='2048'>5000</pages>
           <pages unit='KiB' size='1048576'>1</pages>
         <cell id='1'>
           <memory unit='KiB'>67108864</memory>
           <pages unit='KiB' size='4'>16052224</pages>
           <pages unit='KiB' size='2048'>5000</pages>
           <pages unit='KiB' size='1048576'>1</pages>

I then restarted nova-compute, I set "hw:mem_page_size=large" on a
flavor, and then tried to boot up an instance with that flavor.  I
got the error logs below in nova-scheduler.  Is this a bug?


Launchpad.net could be more appropriate to
discuss on something which looks like a bug.


Just wanted to make sure I wasn't missing something. Bug has been opened at https://bugs.launchpad.net/nova/+bug/1417201

I added some additional logs to the bug report of what the numa topology looks like on the compute node and in NUMATopologyFilter.host_passes().

According to your trace I would say you are running different versions
of Nova services.

nova should all be the same version. I'm running juno versions of other openstack components though.

BTW please verify your version of libvirt. Hugepages is supported
start to 1.2.8 (but this should difinitly not failed so badly like

Libvirt is 1.2.8.


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