Re: [openstack-dev] [nova] ram size and huge page number for VM

2016-02-09 Thread Tim Bell
On 09/02/16 16:25, "Chris Friesen" wrote: >On 02/09/2016 04:20 AM, Daniel P. Berrange wrote: > >> It not actually a huge waste - in fact it is likely to be beneficial to the >> overall performance of your VM. You need to remember that there is no direct >>

Re: [openstack-dev] [nova] ram size and huge page number for VM

2016-02-09 Thread Daniel P. Berrange
On Mon, Feb 08, 2016 at 07:47:56PM +, Serguei Bezverkhi (sbezverk) wrote: > Hello, > > I using the latest Liberty and I am trying to bring up a VM with some numa > options configured using flavor. Specifically I need to give this VM 16GB > of RAM and in addition it will need to use 12x1GB

Re: [openstack-dev] [nova] ram size and huge page number for VM

2016-02-09 Thread Chris Friesen
On 02/09/2016 04:20 AM, Daniel P. Berrange wrote: It not actually a huge waste - in fact it is likely to be beneficial to the overall performance of your VM. You need to remember that there is no direct relationship between allocation of huge pages to KVM and usage of huge pages inside the

[openstack-dev] [nova] ram size and huge page number for VM

2016-02-08 Thread Serguei Bezverkhi (sbezverk)
Hello, I using the latest Liberty and I am trying to bring up a VM with some numa options configured using flavor. Specifically I need to give this VM 16GB of RAM and in addition it will need to use 12x1GB huge pages. What I found out, there is no way in a flavor to specify RAM size and

Re: [openstack-dev] [nova] ram size and huge page number for VM

2016-02-08 Thread Chris Friesen
On 02/08/2016 01:47 PM, Serguei Bezverkhi (sbezverk) wrote: Hello, I using the latest Liberty and I am trying to bring up a VM with some numa options configured using flavor. Specifically I need to give this VM 16GB of RAM and in addition it will need to use 12x1GB huge pages. What I found